configure.ac

   1 # This file is part of GNUnet.
   2 # (C) 2001--2019 GNUnet e.V.
   3 #
   4 # GNUnet is free software: you can redistribute it and/or modify it
   5 # under the terms of the GNU Affero General Public License as published
   6 # by the Free Software Foundation, either version 3 of the License,
   7 # or (at your option) any later version.
   8 #
   9 # GNUnet is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Affero General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Affero General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 #
  17 # SPDX-License-Identifier: AGPL3.0-or-later
  18 #
  19 # Process this file with autoconf to produce a configure script.
  20 #
  21 #
  22 AC_PREREQ(2.61)
  23 # Checks for programs.
  24 AC_INIT([gnunet], [0.12.2], [bug-gnunet@gnu.org])
  25 AC_CONFIG_AUX_DIR([build-aux])
  26
  27 # check for legacy option that is no longer supported (#5627) and fail hard
  28 AC_ARG_WITH(nssdir,
  29    [  --with-nssdir=DIR    legacy switch, no longer supported, do not use],
  30    [AC_MSG_RESULT([$with_nssdir])
  31     AS_CASE([$with_nssdir],
  32       [no],[],
  33       [AC_MSG_ERROR([--with-nssdir is no longer supported])])
  34    ])
  35
  36 AC_CANONICAL_TARGET
  37 AC_CANONICAL_HOST
  38 AC_CANONICAL_SYSTEM
  39 AM_INIT_AUTOMAKE
  40 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])], [AM_DEFAULT_VERBOSITY=1 AC_SUBST(AM_DEFAULT_VERBOSITY)])
  41 AC_CONFIG_HEADERS([gnunet_config.h])
  42 AH_TOP([#define _GNU_SOURCE  1])
  43 AC_CONFIG_MACRO_DIR([m4])
  44 AC_PROG_AWK
  45 AC_PROG_CC_C99
  46 AC_PROG_OBJC
  47 AC_PROG_INSTALL
  48 AC_PROG_LN_S
  49 AC_PROG_MAKE_SET
  50 AM_PROG_CC_C_O
  51 LT_INIT([disable-static dlopen])
  52 AC_SUBST(MKDIR_P)
  53
  54 # allow for different autotools
  55 AS_AUTOTOOLS_ALTERNATE
  56
  57 # large file support
  58 AC_SYS_LARGEFILE
  59 AC_FUNC_FSEEKO
  60
  61
  62 CFLAGS="-Wall $CFLAGS"
  63 AC_MSG_CHECKING(whether cc can use -fno-strict-aliasing)
  64 # use '-fno-strict-aliasing', but only if the compiler can take it
  65 AS_IF([$CC -fno-strict-aliasing -S -o /dev/null -xc /dev/null >/dev/null 2>&1],
  66  [CFLAGS="-fno-strict-aliasing $CFLAGS"])
  67
  68 # A helper which allows us to check cflags if compiler
  69 AC_DEFUN([CC_CHECK_CFLAGS_SILENT], [
  70   AC_CACHE_VAL(AS_TR_SH([cc_cv_cflags_$1]),
  71     [ac_save_CFLAGS="$CFLAGS"
  72      CFLAGS="$CFLAGS $1 -Werror"
  73      AC_LINK_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])],
  74        [eval "AS_TR_SH([cc_cv_cflags_$1])='yes'"],
  75        [eval "AS_TR_SH([cc_cv_cflags_$1])='no'"])
  76      CFLAGS="$ac_save_CFLAGS"
  77     ])
  78
  79   AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
  80     [$2], [$3])
  81 ])
  82
  83
  84 # CC_CHECK_CFLAG_APPEND(FLAG, [action-if-found], [action-if-not-found])
  85 # Check for CFLAG and appends them to CFLAGS if supported
  86 AC_DEFUN([CC_CHECK_CFLAG_APPEND], [
  87   AC_CACHE_CHECK([if $CC supports -Wno-$1 flag],
  88     AS_TR_SH([cc_cv_cflags_-W$1]),
  89     CC_CHECK_CFLAGS_SILENT([-W$1]) #gcc is stupid. It does not fail with the -W-no option for backwards compat but then shows the error "in case something goes wrong".
  90   )
  91
  92   AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_-W$1])[ = xyes],
  93     [CFLAGS="$CFLAGS -Wno-$1"; $2], [$3])
  94 ])
  95
  96
  97 # We make heavy use of this, llvm/gcc and gcc-9 give warnings so disable.
  98 CC_CHECK_CFLAG_APPEND([address-of-packed-member])
  99
 100 # Use Linux interface name unless the OS has a different preference
 101 DEFAULT_INTERFACE="\"eth0\""
 102
 103 funcstocheck="getnameinfo gethostname gethostbyname gethostbyaddr getaddrinfo getaddrinfo_a"
 104
 105 # Srcdir in a form that native compiler understands (i.e. DOS path on W32)
 106 native_srcdir=$srcdir
 107
 108 OLD_LDFLAGS="$LDFLAGS"
 109 LDFLAGS="$LDFLAGS -Wl,--unresolved-symbols=report-all"
 110
 111 # Check system type
 112 AS_CASE(["$host_os"],
 113   [*darwin* | *rhapsody* | *macosx*],[
 114      AC_DEFINE_UNQUOTED(DARWIN,1,[This is an Apple Darwin system])
 115      CPPFLAGS="-D_APPLE_C_SOURCE $CPPFLAGS"
 116      CFLAGS="-fno-common $CFLAGS"
 117      LDFLAGS="$OLD_LDFLAGS"
 118      AC_MSG_WARN([WARNING: The VPN application cannot be compiled on your OS])
 119      AC_CHECK_LIB(intl, gettext)
 120      build_target="darwin"
 121      DEFAULT_INTERFACE="\"en0\""
 122      LIBPREFIX=
 123      DLLDIR=lib
 124      UNIXONLY="#"
 125   ],
 126   [linux*],[
 127      AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel])
 128      build_target="linux"
 129      LIBPREFIX=
 130      DLLDIR=lib
 131      UNIXONLY="#"
 132      AC_PATH_XTRA
 133   ],
 134   [*freebsd*],[
 135      CFLAGS="-D_THREAD_SAFE $CFLAGS"
 136      build_target="freebsd"
 137      LIBPREFIX=
 138      DLLDIR=lib
 139      UNIXONLY="#"
 140   ],
 141   [*openbsd*],[
 142      LIBS=`echo $LIBS | sed -e "s/-ldl//"`
 143      build_target="openbsd"
 144      use_openbsd_libtool=true
 145      LIBPREFIX=
 146      DLLDIR=lib
 147      UNIXONLY="#"
 148   ],
 149   [*netbsd*],[
 150      build_target="netbsd"
 151      LIBPREFIX=
 152      DLLDIR=lib
 153      UNIXONLY="#"
 154   ],
 155   [*solaris*],[
 156      AC_DEFINE_UNQUOTED(SOLARIS,1,[This is a Solaris system])
 157      AC_DEFINE_UNQUOTED(_REENTRANT,1,[Need with solaris or errno doesnt work])
 158      AC_CHECK_LIB(resolv, res_init)
 159      AC_CHECK_LIB(rt, nanosleep)
 160      build_target="solaris"
 161      LIBPREFIX=
 162      DLLDIR=lib
 163      UNIXONLY="#"
 164   ],
 165   [*arm-linux*],[
 166      AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel])
 167      CFLAGS="-D_REENTRANT -fPIC -pipe $CFLAGS"
 168      build_target="linux"
 169      LIBPREFIX=
 170      DLLDIR=lib
 171      UNIXONLY="#"
 172   ],
 173   [gnu*],[
 174      AC_DEFINE_UNQUOTED(GNU,1,[This is a GNU system])
 175      build_target="gnu"
 176      UNIXONLY="#"
 177   ],
 178   [
 179      AC_MSG_RESULT(Unrecognised OS $host_os)
 180      AC_DEFINE_UNQUOTED(OTHEROS,1,[Some strange OS])
 181      UNIXONLY=""
 182 ])
 183 AC_DEFINE_UNQUOTED([GNUNET_DEFAULT_INTERFACE], $DEFAULT_INTERFACE, [This should be the default choice for the name of the first network interface])
 184 AC_SUBST(DEFAULT_INTERFACE)
 185
 186 # Disable TCP-based IPC on systems that support UNIX domain
 187 # sockets in default configuratin:
 188 AC_SUBST(UNIXONLY)
 189
 190
 191 AC_MSG_CHECKING([for build target])
 192 AM_CONDITIONAL(DARWIN,  test "$build_target" = "darwin")
 193 AM_CONDITIONAL(SOLARIS, test "$build_target" = "solaris")
 194 AM_CONDITIONAL(XNETBSD, test "$build_target" = "netbsd")
 195 AM_CONDITIONAL(XFREEBSD, test "$build_target" = "freebsd")
 196 AM_CONDITIONAL(OPENBSD, test "$build_target" = "openbsd")
 197 # FIXME: We need a define BSD for some binaries like we
 198 # need define LINUX for some. This does not scale, how
 199 # can we solve this better?
 200 AM_CONDITIONAL(XBSD, test "$build_target" = "netbsd" -o "$build_target" = "freebsd" -o "$build_target" = "openbsd")
 201 AM_CONDITIONAL(LINUX, test "$build_target" = "linux")
 202 AM_CONDITIONAL(GNU, test "$build_target" = "gnu")
 203
 204 AC_MSG_RESULT([$build_target])
 205 AC_SUBST(build_target)
 206 AM_CONDITIONAL([am__fastdepOBJC], false)
 207 AC_UNALIGNED_64_ACCESS
 208
 209 # some other checks for standard libs
 210 AC_SEARCH_LIBS([gethostbyname], [nsl ws2_32])
 211 AC_SEARCH_LIBS([memrchr], [],
 212                AC_DEFINE(HAVE_MEMRCHR,1,[memrchr supported]), [])
 213 AC_SEARCH_LIBS([memset_s], [],
 214                AC_DEFINE(HAVE_MEMSET_S,1,[memset_s supported]), [])
 215 AC_SEARCH_LIBS([explicit_bzero], [],
 216                AC_DEFINE(HAVE_EXPLICIT_BZERO,1,[explicit_bzero supported]), [])
 217 AC_CHECK_LIB(socket, socket)
 218 AC_CHECK_LIB(m, log)
 219 AC_CHECK_LIB(c, getloadavg, AC_DEFINE(HAVE_GETLOADAVG,1,[getloadavg supported]))
 220
 221 AC_CHECK_PROG(VAR_GETOPT_BINARY, getopt, true, false)
 222 AM_CONDITIONAL(HAVE_GETOPT_BINARY, $VAR_GETOPT_BINARY)
 223
 224 AC_CHECK_PROGS(PKG_CONFIG, [pkgconf, pkg-config], false)
 225 AM_CONDITIONAL(HAVE_PKG_CONFIG, test x$PKG_CONFIG != xfalse)
 226
 227 AC_CHECK_PROG(VAR_SSH_BINARY, ssh, true, false)
 228 AM_CONDITIONAL(HAVE_SSH_BINARY, $VAR_SSH_BINARY)
 229 AC_MSG_CHECKING(for SSH key)
 230   AM_CONDITIONAL(HAVE_SSH_KEY,  ssh -D 12345 -o "BatchMode yes" -o "UserKnownHostsFile /tmp/gnunet_test_cosks_ssh_garbage" -o "StrictHostKeyChecking no" 127.0.0.1 echo -n)
 231   if test -f /tmp/gnunet_test_cosks_ssh_garbage; then
 232      rm -f /tmp/gnunet_test_cosks_ssh_garbage
 233   fi
 234
 235
 236 # autotools' m4 for python has no maximum version!
 237 # python3.4 - python3.8 for tests (3.8 unchecked)
 238 # TODO: document how to override the lowest version
 239 # TODO: found by this.
 240 m4_define_default([_AM_PYTHON_INTERPRETER_LIST],[python3 python3.4 python3.5 python3.6 python3.7 python3.8 python])
 241 AM_PATH_PYTHON([3.4],, [:])
 242 AC_SUBST([PYTHON])
 243 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
 244
 245
 246 # perl
 247 AC_PATH_PROG( PERL, perl, ,
 248               $PATH:/usr/local/bin/perl:/usr/bin/:/usr/local/bin )
 249 AC_SUBST([PERL])
 250 AM_CONDITIONAL([HAVE_PERL], [test -x "$PERL"])
 251 AS_IF([test -x "$PERL"],
 252   [AC_DEFINE_UNQUOTED([HAVE_PERL], [1], [Path to Perl])],
 253   [AC_DEFINE_UNQUOTED([HAVE_PERL], [0], [Path to Perl])])
 254
 255 # awk
 256 AC_PATH_PROGS( AWK_BINARY, [awk gawk], ,$PATH:/usr/bin/:/usr/local/bin )
 257 AC_SUBST([AWK_BINARY])
 258 AM_CONDITIONAL([HAVE_AWK], [test -x "$AWK_BINARY"])
 259 AS_IF([test -x "$AWK_BINARY"],
 260   [AC_DEFINE_UNQUOTED([HAVE_AWK], [1], [Path to awk])],
 261   [AC_DEFINE_UNQUOTED([HAVE_AWK], [0], [Path to awk])])
 262
 263 # should we install gnunet-logread?
 264 AC_MSG_CHECKING(whether to install gnunet-logread)
 265 AC_ARG_WITH([gnunet-logread],
 266               [AS_HELP_STRING([--with-gnunet-logread],
 267                               [Install gnunet-logread])],
 268               [logread=${withval}],
 269               [logread=no])
 270 AC_MSG_RESULT($logread)
 271 AS_IF([test "x$logread" = "xyes"],
 272       [AM_CONDITIONAL([GNUNET_LOGREAD], true)
 273        AC_DEFINE([GNUNET_LOGREAD],
 274                  [1],
 275                  [Installing gnunet-logread])],
 276       [AM_CONDITIONAL([GNUNET_LOGREAD],
 277                       false)
 278        AC_DEFINE([GNUNET_LOGREAD],
 279                  [0],
 280                  [Not installing gnunet-logread])])
 281
 282 # iptables is a soft requirement to run tests
 283 AC_PATH_TARGET_TOOL(VAR_IPTABLES_BINARY, iptables, false)
 284
 285 AS_IF([test x"$VAR_IPTABLES_BINARY" = x"false"],
 286  [AS_IF([test -x "/sbin/iptables"],
 287    [VAR_IPTABLES_BINARY="/sbin/iptables"],
 288    [AS_IF([test -x "/usr/sbin/iptables"],
 289       [VAR_IPTABLES_BINARY="/usr/sbin/iptables"])])])
 290
 291 AS_IF([test x"$VAR_IPTABLES_BINARY" != x"false"],
 292  [AC_DEFINE_UNQUOTED([IPTABLES], "$VAR_IPTABLES_BINARY", [Path to iptables])],
 293  [AC_MSG_WARN([warning: 'iptables' not found.])])
 294
 295 # ip6tables is a soft requirement for some features
 296 AC_PATH_TARGET_TOOL(VAR_IP6TABLES_BINARY, ip6tables, false)
 297
 298 AS_IF([test x"$VAR_IP6TABLES_BINARY" = x"false"],
 299   [AS_IF([test -x "/sbin/ip6tables"],
 300      [VAR_IP6TABLES_BINARY="/sbin/ip6tables"],
 301      [AS_IF([test -x "/usr/sbin/ip6tables"],
 302         [VAR_IP6TABLES_BINARY="/usr/sbin/ip6tables"])])])
 303
 304
 305 AS_IF([test x"$VAR_IP6TABLES_BINARY" != x"false"],
 306   [AC_DEFINE_UNQUOTED([IP6TABLES], "$VAR_IP6TABLES_BINARY", [Path to ip6tables])],
 307   [AC_MSG_WARN([warning: 'ip6tables' not found.])])
 308
 309 # ip is a soft requirement for some features
 310 AC_PATH_TARGET_TOOL(VAR_IP_BINARY, ip, false)
 311
 312 AS_IF([test x"$VAR_IP_BINARY" = x"false"],
 313  [AS_IF([test -x "/sbin/ip"],
 314    [VAR_IP_BINARY="/sbin/ip"],
 315    [AS_IF([test -x "/usr/sbin/ip"],
 316           [VAR_IP_BINARY="/usr/sbin/ip"])])])
 317
 318 AS_IF([test x"$VAR_IP_BINARY" != x"false"],
 319  [AC_DEFINE_UNQUOTED([PATH_TO_IP], "$VAR_IP_BINARY", [Path to ip])],
 320  [AC_MSG_WARN([warning: 'ip' not found.])])
 321
 322 # locate 'ifconfig'
 323 AC_PATH_TARGET_TOOL(VAR_IFCONFIG_BINARY, ifconfig, false)
 324
 325 AC_CHECK_PROG(VAR_IFCONFIG_BINARY, ifconfig, true, false)
 326 AS_IF([test x"$VAR_IFCONFIG_BINARY" = x"false"],
 327   [AS_IF([test -x "/sbin/ifconfig"],
 328      [VAR_IFCONFIG_BINARY="/sbin/ifconfig"],
 329      [AS_IF([test -x "/usr/sbin/ifconfig"],
 330             [VAR_IFCONFIG_BINARY="/usr/sbin/ifconfig"])])])
 331
 332 AS_IF([test x"$VAR_IFCONFIG_BINARY" != x"false"],
 333   [AC_DEFINE_UNQUOTED([IFCONFIG], "$VAR_IFCONFIG_BINARY", [Path to ifconfig])],
 334   [AC_MSG_WARN(['ifconfig' not found.])])
 335
 336
 337 # Test if 'adduser' binary exists
 338 MSG_USER_SETUP=true
 339 AC_PATH_PROG([MSG_USER_SETUP],
 340   [adduser],
 341   false,
 342   [path=$PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin])
 343
 344 # Test if 'gnunet' user and the groups exist
 345 getent passwd gnunet > /dev/null
 346 HAVE_GNUNET_USER=$?
 347 getent group gnunet > /dev/null
 348 AS_IF([test x$? != x0],
 349       [HAVE_GNUNET_USER=1])
 350 getent group gnunetdns > /dev/null
 351 AS_IF([test x$? != x0],
 352       [HAVE_GNUNET_USER=1])
 353
 354 AC_PATH_TARGET_TOOL(VAR_SYSCTL_BINARY, sysctl, false)
 355
 356 AC_CHECK_PROG(VAR_SYSCTL_BINARY, sysctl, true, false)
 357 AS_IF([test x"$VAR_SYSCTL_BINARY" = x"false"],
 358       [AS_IF([test -x "/sbin/sysctl"],
 359              [VAR_SYSCTL_BINARY="/sbin/sysctl"],
 360              [AS_IF([test -x "/usr/sbin/sysctl"],
 361                     [VAR_SYSCTL_BINARY="/usr/sbin/sysctl"])])])
 362 AS_IF([test x"$VAR_SYSCTL_BINARY" != x"false"],
 363       [AC_DEFINE_UNQUOTED([SYSCTL], "$VAR_SYSCTL_BINARY", [Path to sysctl])],
 364       [AC_MSG_WARN(['sysctl' not found.])])
 365
 366 # miniupnpc / upnpc binary is a soft runtime requirement
 367 AC_PATH_TARGET_TOOL(VAR_UPNPC_BINARY, upnpc, false)
 368
 369 AS_IF([test x"$VAR_UPNPC_BINARY" != x"false"],
 370   [AC_DEFINE_UNQUOTED([UPNPC], "$VAR_UPNPC_BINARY", [Path to upnpc binary])],
 371   [AC_MSG_WARN([warning: 'upnpc' binary not found.])])
 372
 373
 374 # checkbashisms
 375 AC_CHECK_PROGS(CHECKBASHISMS_BINARY, [checkbashisms checkbashisms.pl], false)
 376 AM_CONDITIONAL(HAVE_CHECKBASHISMS, test x$CHECKBASHISMS_BINARY != xfalse)
 377
 378 # uncrustify
 379 # TODO: maybe add flag to pass location
 380 AC_CHECK_PROG(UNCRUSTIFY_BINARY, uncrustify, true)
 381 AM_CONDITIONAL(HAVE_UNCRUSTIFY_BINARY, $UNCRUSTIFY_BINARY)
 382
 383 # yapf
 384 # TODO: less repetition, add flag to pass name
 385 AC_CHECK_PROGS(YAPF_BINARY, [yapf yapf3.0 yapf3.1 yapf3.2 yapf3.3 yapf3.4 yapf3.5 yapf3.6 yapf3.7 yapf3.8 yapf3.9 yapf4.0], false)
 386 AM_CONDITIONAL(HAVE_YAPF_BINARY, test x$YAPF_BINARY != xfalse)
 387
 388
 389 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
 390   [AC_DEFINE(HAVE_TM_GMTOFF, 1,
 391      [Define if struct tm has the tm_gmtoff member.])],
 392      ,
 393      [#include <time.h>])
 394
 395 # 'save' libs; only those libs found so far will be
 396 # linked against _everywhere_.  For the others, we
 397 # will be more selective!
 398 SAVE_LIBS=$LIBS
 399
 400 have_addrinfo_a=0
 401 AC_CHECK_LIB(anl,
 402              getaddrinfo_a,
 403              [have_addrinfo_a=1 AC_DEFINE(HAVE_GETADDRINFO_A,
 404                                           1,
 405                                           [getaddrinfo_a supported])])
 406 AM_CONDITIONAL(HAVE_GETADDRINFO_A,
 407                [test "$have_addrinfo_a" = 1])
 408
 409 # libgcrypt
 410 gcrypt=0
 411 NEED_LIBGCRYPT_API=1
 412 NEED_LIBGCRYPT_VERSION=1.6.0
 413
 414
 415 AM_PATH_LIBGCRYPT("$NEED_LIBGCRYPT_API:$NEED_LIBGCRYPT_VERSION", gcrypt=1)
 416 AC_CHECK_DECLS([gcry_mpi_set_opaque_copy], [], [], [[#include <gcrypt.h>]])
 417
 418 AS_IF([test $gcrypt = 0],
 419  [
 420   AC_MSG_ERROR([[
 421 ***
 422 *** You need libgcrypt to build this program.
 423 *** This library is for example available at
 424 *** ftp://ftp.gnupg.org/gcrypt/libgcrypt/.
 425 *** At least version $NEED_LIBGCRYPT_VERSION (API $NEED_LIBGCRYPT_API)
 426 ***  is required.
 427 ***]])
 428 ])
 429 AC_DEFINE_UNQUOTED([NEED_LIBGCRYPT_VERSION], "$NEED_LIBGCRYPT_VERSION", [required libgcrypt version])
 430
 431 AC_CHECK_DECLS([struct in6_ifreq], [], [], [[#include <linux/if_tun.h>]])
 432
 433 AC_CHECK_HEADER([if_tun.h],
 434     [AC_DEFINE([IF_TUN_HDR], ["if_tun.h"], [if_tun.h include path])],
 435     [AC_CHECK_HEADER([linux/if_tun.h],
 436         [AC_DEFINE([IF_TUN_HDR], ["linux/if_tun.h"])],
 437         [AC_CHECK_HEADER([net/if_tun.h],
 438             [AC_DEFINE([IF_TUN_HDR], ["net/if_tun.h"])],
 439             [AC_CHECK_HEADER([net/tun/if_tun.h],
 440                 [AC_DEFINE([IF_TUN_HDR], ["net/tun/if_tun.h"])])])])])
 441
 442
 443 # should the build process be building the documentation?
 444 AC_MSG_CHECKING(whether to build documentation)
 445 AC_ARG_ENABLE([documentation],
 446               [AS_HELP_STRING([--disable-documentation],
 447                               [do not build the documentation])],
 448               [documentation=${enableval}],
 449               [documentation=yes])
 450 AC_MSG_RESULT($documentation)
 451 AS_IF([test "x$documentation" = "xyes"],
 452       [AM_CONDITIONAL([DOCUMENTATION],
 453                       true)
 454        AC_DEFINE([DOCUMENTATION],
 455                  [1],
 456                  [Building the documentation])],
 457       [AM_CONDITIONAL([DOCUMENTATION],
 458                       false)
 459        AC_DEFINE([DOCUMENTATION],
 460                  [0],
 461                  [Not building the documentation])])
 462
 463 # COMMENT: Check whether to transpile texinfo to mdoc.
 464 # COMMENT: This is TRUE when --enable-texi2mdoc-generation
 465 # COMMENT: but ERRORS when texi2mdoc binary is missing in your $PATH
 466 # COMMENT: and makes the configure fail if it is missing.
 467 # COMMENT: Consequential the DEFINE and CONDITIONAL are set to true.
 468 # COMMENT: This is FALSE when --disable-texi2mdoc-generation was set
 469 # COMMENT: or nothing was set (this is the default).
 470 # COMMENT: There are 2 nested AS_IFs because we need to catch the
 471 # COMMENT: potential non-existence of the texi2mdoc binary.
 472 # COMMENT: Default return value / setting: no
 473 AC_MSG_CHECKING(whether to include generated texi2mdoc output in installation)
 474 AC_ARG_ENABLE([texi2mdoc-generation],
 475               [AS_HELP_STRING([--enable-texi2mdoc-generation],
 476                               [include generated texi2mdoc output in installation])],
 477               [texi2mdoc_generation=${enableval}],
 478               [texi2mdoc_generation=no])
 479 AC_MSG_RESULT($texi2mdoc_generation)
 480 AS_IF([test "x$texi2mdoc_generation" = "xyes"],
 481       [AS_IF([test "$texi2mdoc" = 0],
 482              [AC_MSG_WARN([ERROR: transpiled mdoc output requires texi2mdoc.])
 483               AC_MSG_WARN([ERROR: texi2mdoc can be obtained via your])
 484               AC_MSG_WARN([ERROR: Operating System package manager or from])
 485               AC_MSG_WARN([ERROR: https://mandoc.bsd.lv/texi2mdoc/])],
 486              [AM_CONDITIONAL([TEXI2MDOC_GENERATION],true)
 487               AC_DEFINE([TEXI2MDOC_GENERATION],
 488                         [1],
 489                         [Building section 7 mdoc output])])],
 490       [AM_CONDITIONAL([TEXI2MDOC_GENERATION],
 491                       false)
 492        AC_DEFINE([TEXI2MDOC_GENERATION],
 493                  [0],
 494                  [Not building section 7 mdoc output])])
 495
 496 # test for texi2mdoc (the binary, not the script distributed
 497 # with autogen)
 498 # TODO: refactor this and the check above.
 499 AC_MSG_CHECKING(for texi2mdoc binary)
 500 AC_CHECK_PROGS(TEXI2MDOC_BINARY, [texi2mdoc], false)
 501 AM_CONDITIONAL(HAVE_TEXI2MDOC, test x$TEXI2MDOC_BINARY != xfalse)
 502
 503 # texi2man is a tool which needs to be investigated and
 504 # is probably incompatible to texi2mdoc in invocation.
 505 # Detection at this point only serves as a reminder that
 506 # I will work this into the build-system.
 507 AC_MSG_CHECKING(for texi2man perl script)
 508 AC_CHECK_PROGS(TEXI2MAN_SCRIPT, [texi2man], false)
 509 AM_CONDITIONAL(HAVE_TEXI2MAN, test x$TEXI2MAN_SCRIPT != xfalse)
 510
 511
 512 # test for mandoc
 513 AC_MSG_CHECKING(for mandoc binary)
 514 AC_CHECK_PROGS(MANDOC_BINARY, [mandoc], false)
 515 AM_CONDITIONAL(HAVE_MANDOC, test x$MANDOC_BINARY != xfalse)
 516
 517 # should the build process be building only the documentation?
 518 AC_MSG_CHECKING(whether to build only documentation)
 519 AC_ARG_ENABLE([documentation-only],
 520    [AS_HELP_STRING([--enable-documentation-only],
 521                    [build only the documentation])],
 522    [documentation_only=${enableval}],
 523    [documentation_only=no])
 524 AC_MSG_RESULT($documentation_only)
 525 AS_IF([test "x$documentation_only" = "xyes"],
 526  [
 527   AM_CONDITIONAL([DOCUMENTATION_ONLY],true)
 528   AC_DEFINE([DOCUMENTATION_ONLY],[1],[Building only the documentation])
 529  ],[
 530   AM_CONDITIONAL([DOCUMENTATION_ONLY],false)
 531   AC_DEFINE([DOCUMENTATION_ONLY],[0],[Doing a normal build, more than only documentation])
 532  ])
 533
 534 # should the build process be including the manpages? (default: yes)
 535 AC_MSG_CHECKING(whether to include man pages)
 536 AC_ARG_ENABLE([include-manpages],
 537    [AS_HELP_STRING([--disable-include-manpages],
 538                    [Do not include the man pages in build and installation])],
 539    [include_manpages=${enableval}],
 540    [include_manpages=yes])
 541 AC_MSG_RESULT($include_manpages)
 542 AS_IF([test "x$include_manpages" = "xyes"],
 543  [
 544   AM_CONDITIONAL([INCLUDE_MANPAGES],true)
 545   AC_DEFINE([INCLUDE_MANPAGES],[1],[Including the man pages in the build and installation])
 546  ],[
 547   AM_CONDITIONAL([INCLUDE_MANPAGES],false)
 548   AC_DEFINE([INCLUDE_MANPAGES],[0],[Not including the man pages in the build and installation])
 549  ])
 550
 551 # Do we have texinfo4? If yes, it is used to set texinfo4 specific switches
 552 # (not syntax!) to the commandline tools which generate the html. If not,
 553 # texinfo5 switches are used. This comes with no version checks, is
 554 # enabled only at distributors action (ie defaults to "no").
 555 # Mantis #3914 for more details (https://bugs.gnunet.org/view.php?id=3914)
 556 AC_MSG_CHECKING(whether to enable texinfo4 switches)
 557 AC_ARG_ENABLE([texinfo4],
 558    [AS_HELP_STRING([--enable-texinfo4], [Use texinfo version 4 specific switches])],
 559    [activate_texinfo4=${enableval}],
 560    [activate_texinfo4=no])
 561 AC_MSG_RESULT($activate_texinfo4)
 562 AS_IF([test "x$activate_texinfo4" = "xyes"],
 563  [
 564   AM_CONDITIONAL([ACTIVATE_TEXINFO4],true)
 565   AC_DEFINE([ACTIVATE_TEXINFO4],[1],[Using texinfo version 4 specific switches])
 566  ],[
 567   AM_CONDITIONAL([ACTIVATE_TEXINFO4],false)
 568   AC_DEFINE([INCLUDE_MANPAGES],[0],[Using texinfo version 5 or later switches])
 569  ])
 570
 571
 572 # Adam shostack suggests the following for Windows:
 573 # -D_FORTIFY_SOURCE=2 -fstack-protector-all
 574 AC_ARG_ENABLE([gcc-hardening],
 575    AS_HELP_STRING(--enable-gcc-hardening, enable compiler security checks),
 576 [AS_IF([test x$enableval = xyes],[
 577     CFLAGS="$CFLAGS -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-all"
 578     CFLAGS="$CFLAGS -fwrapv -fPIE -Wstack-protector"
 579     CFLAGS="$CFLAGS --param ssp-buffer-size=1"
 580     LDFLAGS="$LDFLAGS -pie"
 581  ])])
 582
 583 # Linker hardening options
 584 # Currently these options are ELF specific - you can't use this with MacOSX
 585 AC_ARG_ENABLE([linker-hardening],
 586   AS_HELP_STRING(--enable-linker-hardening, enable linker security fixups),
 587 [AS_IF([test x$enableval = xyes],
 588    [LDFLAGS="$LDFLAGS -z relro -z now"])])
 589
 590
 591 AC_ARG_ENABLE([sanitizer],
 592   AS_HELP_STRING(--enable-sanitizer, enable Address Sanitizer and Undefined Behavior Sanitizer),
 593 [AS_IF([test x$enableval = xyes],[
 594    LDFLAGS="$CFLAGS -fsanitize=address,undefined -fno-omit-frame-pointer"
 595  ])])
 596
 597
 598 extra_logging=GNUNET_NO
 599 AC_ARG_ENABLE([logging],
 600    AS_HELP_STRING([--enable-logging@<:@=value@:>@],[Enable logging calls. Possible values: yes,no,verbose,veryverbose ('yes' is the default)]),
 601    [AS_IF([test "x$enableval" = "xyes"], [],
 602           [test "x$enableval" = "xno"], [AC_DEFINE([GNUNET_CULL_LOGGING],[],[Define to cull all logging calls])],
 603           [test "x$enableval" = "xverbose"], [extra_logging=GNUNET_YES]
 604           [test "x$enableval" = "xveryverbose"], [extra_logging=\(GNUNET_YES+1\)])
 605    ], [])
 606 AC_DEFINE_UNQUOTED([GNUNET_EXTRA_LOGGING],[$extra_logging],[1 if extra logging is enabled, 2 for very verbose extra logging, 0 otherwise])
 607
 608 # should memory poisoning be enabled?
 609 AC_MSG_CHECKING(whether to poison freed memory)
 610 AC_ARG_ENABLE([poisoning],
 611    [AS_HELP_STRING([--enable-poisoning], [enable poisoning of freed memory (good for debugging)])],
 612    [enable_poisoning=${enableval}],
 613    [
 614      AS_IF([test "x$extra_logging" != "xGNUNET_NO"],
 615        [enable_poisoning="defaults to yes (extra logging is enabled)"],
 616        [enable_poisoning=no])
 617    ])
 618 AC_MSG_RESULT($enable_poisoning)
 619 AS_IF([test ! "x$enable_poisoning" = "xno"],
 620   [enable_poisoning=1],
 621   [enable_poisoning=0])
 622 AC_DEFINE_UNQUOTED([ENABLE_POISONING],[$enable_poisoning],[1 if freed memory should be poisoned, 0 otherwise])
 623
 624 AS_IF([test $build = $target],
 625 [
 626 AC_MSG_CHECKING([for working HMAC])
 627 AC_LANG_PUSH(C)
 628 LIBS="$LIBS $LIBGCRYPT_LIBS"
 629 CFLAGS="$CFLAGS $LIBGCRYPT_CFLAGS"
 630 AC_RUN_IFELSE(
 631   [AC_LANG_PROGRAM([#include <gcrypt.h>
 632         #include <stdio.h>], [[
 633         gcry_md_hd_t mac;
 634
 635         unsigned char data[] = { 0xbf, 0x16, 0x6e, 0x46, 0x3a, 0x6c, 0xf3, 0x93, 0xa7, 0x72,
 636             0x11, 0xa1, 0xdc, 0x0b, 0x07, 0xdb, 0x1a, 0x5e, 0xd9, 0xb9, 0x81, 0xbe,
 637             0xea, 0xe4, 0x31, 0x5f, 0x24, 0xff, 0xfe, 0x50, 0x8a, 0xde };
 638         unsigned char key[] = { 0xfc, 0x62, 0x76, 0x35 };
 639         unsigned char result[] = {0xa2, 0xb, 0x1, 0xd9, 0xc0, 0x8b, 0x5a, 0x12, 0x80,
 640             0xd5, 0x50, 0x12, 0x8e, 0xd0, 0x5b, 0xb6, 0x5c, 0x87, 0x24, 0xe2, 0xd0,
 641             0xd2, 0xaf, 0x63, 0xae, 0xd1, 0xd6, 0x64, 0x14, 0xe3, 0x6e, 0x61, 0x5b,
 642             0xd, 0xba, 0x17, 0x7d, 0xd3, 0x10, 0xb1, 0x37, 0x41, 0x91, 0x7d, 0xeb,
 643             0x1, 0x4d, 0x71, 0xe8, 0x59, 0x71, 0x42, 0x8e, 0xd6, 0xf3, 0x29, 0x3b,
 644             0x90, 0xf2, 0xd1, 0xaf, 0x65, 0x1e, 0xb3};
 645
 646         if (!gcry_check_version (GCRYPT_VERSION))
 647         {
 648           fprintf (stderr, "Version mismatch %s <-> %s \n", gcry_check_version (NULL), GCRYPT_VERSION);
 649           return 1;
 650         }
 651
 652         gcry_control (GCRYCTL_DISABLE_SECMEM, 0);
 653         gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
 654
 655         if (gcry_md_open(&mac, GCRY_MD_SHA512, GCRY_MD_FLAG_HMAC) != GPG_ERR_NO_ERROR)
 656         {
 657           fprintf (stderr, "gcry_md_open error\n");
 658           return 2;
 659         }
 660
 661         gcry_md_setkey (mac, key, sizeof (key));
 662         gcry_md_write (mac, data, sizeof (data));
 663
 664         if (memcmp(gcry_md_read (mac, 0), result, gcry_md_get_algo_dlen (gcry_md_get_algo (mac))) != 0)
 665         {
 666           fprintf (stderr, "memcmp error\n");
 667           return 3;
 668         }
 669
 670         gcry_md_close (mac);
 671
 672         return 0;
 673     ]])],
 674   [AC_MSG_RESULT([yes])],
 675   [
 676    RESULT=$?
 677    if test $RESULT = 3
 678    then
 679      AC_MSG_FAILURE([HMAC test vector does not match. This is a known problem with libgcrypt 1.2.2 on Windows and fixed in 1.4.6.])
 680    fi
 681    if test $RESULT = 2
 682    then
 683      AC_MSG_FAILURE([HMAC test failed])
 684    fi
 685    if test $RESULT = 1
 686    then
 687      AC_MSG_FAILURE([libgcrypt header version does not match library version])
 688    fi
 689   ],
 690   [AC_MSG_RESULT([cross compiling, test skipped])])
 691 AC_LANG_POP(C)
 692 ])      # $build = $target
 693
 694 AC_COMPILE_IFELSE([AC_LANG_SOURCE(
 695   [[int main() {
 696       _Static_assert(sizeof(int) >= 4, "not big enough");
 697       return 0;
 698     };]])],
 699   [AC_DEFINE([HAVE_STATIC_ASSERT],[1],[Static assertions supported])],
 700   [AC_DEFINE([HAVE_STATIC_ASSERT],[0],[Static assertions not supported])])
 701
 702 # check for bluetooth library
 703 bluetooth=0
 704 AC_MSG_CHECKING(for libbluetooth)
 705 AC_ARG_WITH(libbluetooth,
 706     [  --with-libbluetooth=PREFIX (base of libbluetooth installation)],
 707     [AC_MSG_RESULT([$with_libbluetooth])
 708      AS_CASE([$with_libbluetooth],
 709         [no],[],
 710         [yes],[
 711             CHECK_LIBHEADER(BLUETOOTH,
 712                             bluetooth,
 713                             ba2str,
 714                             bluetooth/bluetooth.h,
 715                             bluetooth=1,)
 716         ],[
 717             LDFLAGS="-L$with_libbluetooth/lib $LDFLAGS"
 718             CPPFLAGS="-I$with_libbluetooth/include $CPPFLAGS"
 719             AC_CHECK_HEADERS(bluetooth/bluetooth.h,
 720                              AC_CHECK_LIB([bluetooth],
 721                                           [ba2str],
 722                                           EXT_LIB_PATH="-L$with_libbluetooth/lib $EXT_LIB_PATH"
 723                                           bluetooth=1))
 724         ])
 725     ],
 726     [AC_MSG_RESULT([--with-libbluetooth not specified])
 727      CHECK_LIBHEADER(BLUETOOTH,
 728                      bluetooth,
 729                      ba2str,
 730                      bluetooth/bluetooth.h,
 731                      bluetooth=1,)])
 732 AM_CONDITIONAL(HAVE_LIBBLUETOOTH, [test "$bluetooth" = 1])
 733 AS_IF([test "$bluetooth" = 1],
 734       [AC_DEFINE([HAVE_LIBBLUETOOTH],[1],[Have bluetooth library])],
 735       [AC_DEFINE([HAVE_LIBBLUETOOTH],[0],[Lacking bluetooth library])])
 736
 737 # check for zbar library
 738 # NOTE: Do not add checks for: -lSM, -lICE, -lX11, -lXv and -ljpeg
 739 # NOTE: they must be provided by the build environment, not the
 740 # NOTE: build-system of gnunet, as they are 2nd or 3rd level dependencies.
 741 zbar=0
 742 AC_MSG_CHECKING(for libzbar)
 743 AC_ARG_WITH(zbar,
 744    [  --with-zbar=PREFIX (base of libzbar installation)],
 745    [AC_MSG_RESULT([$with_zbar])
 746     AS_CASE([$with_zbar],
 747       [no],[],
 748       [yes],[CHECK_LIBHEADER(ZBAR, zbar, zbar_processor_create, zbar.h,zbar=1,,)],
 749       [
 750         LDFLAGS="-L$with_zbar/lib $LDFLAGS"
 751         CPPFLAGS="-I$with_zbar/include $CPPFLAGS"
 752         AC_CHECK_HEADERS(zbar.h,
 753           AC_CHECK_LIB([zbar], [zbar_processor_create],
 754             EXT_LIB_PATH="-L$with_zbar/lib $EXT_LIB_PATH"
 755             zbar=1))
 756        ])
 757    ],
 758    [AC_MSG_RESULT([--with-zbar not specified])
 759     CHECK_LIBHEADER(ZBAR, zbar, zbar_processor_create, zbar.h,zbar=1,,)])
 760 AM_CONDITIONAL(HAVE_ZBAR, [test "$zbar" = 1])
 761 AS_IF([test "x$zbar" = x1],
 762       [AC_DEFINE([HAVE_ZBAR],[1],[Have zbar library])],
 763       [AC_DEFINE([HAVE_ZBAR],[0],[Lacking zbar library])])
 764
 765 # check for jansson library
 766 jansson=0
 767 AC_MSG_CHECKING(for libjansson)
 768 AC_ARG_WITH(jansson,
 769    [  --with-jansson=PREFIX (base of libjansson installation)],
 770    [AC_MSG_RESULT([$with_jansson])
 771     AS_CASE([$with_jansson],
 772       [no],[],
 773       [yes],[
 774         CHECK_LIBHEADER(JANSSON, jansson, json_loads, jansson.h,jansson=1,)
 775       ],[
 776         LDFLAGS="-L$with_jansson/lib $LDFLAGS"
 777         CPPFLAGS="-I$with_jansson/include $CPPFLAGS"
 778         AC_CHECK_HEADERS(jansson.h,
 779           AC_CHECK_LIB([jansson], [json_loads],
 780             EXT_LIB_PATH="-L$with_jansson/lib $EXT_LIB_PATH"
 781             jansson=1))
 782       ])
 783    ],
 784    [AC_MSG_RESULT([--with-jansson not specified])
 785     CHECK_LIBHEADER(JANSSON, jansson, json_loads, jansson.h,jansson=1,)])
 786 AM_CONDITIONAL(HAVE_JANSSON, [test "$jansson" = 1])
 787 AM_CONDITIONAL(HAVE_JSON, [test x$jansson = x1])
 788 AS_IF([test "x$jansson" = x1],
 789       [AC_DEFINE([HAVE_JANSSON],[1],[Have jansson library])],
 790       [AC_DEFINE([HAVE_JANSSON],[0],[Lacking jansson library])])
 791
 792
 793 # check for libpulse(audio) library
 794 pulse=0
 795 libpulse_msg="no"
 796 AC_MSG_CHECKING(for libpulse)
 797 # TODO: --with-libpulse or --with-pulseaudio? What is more established
 798 # TODO: in this context?
 799 AC_ARG_WITH(libpulse,
 800     [  --with-libpulse=PREFIX (base of libpulse installation)],
 801     [AC_MSG_RESULT([$with_libpulse])
 802      AS_CASE([$with_libpulse],
 803         [no],[],
 804         [yes],[
 805             CHECK_LIBHEADER(LIBPULSE,
 806                             pulse,
 807                             pa_stream_peek,
 808                             pulse/simple.h,
 809                             pulse=1,)
 810         ],[
 811             LDFLAGS="-L$with_libpulse/lib $LDFLAGS"
 812             CPPFLAGS="-I$with_libpulse/include $CPPFLAGS"
 813             AC_CHECK_HEADERS(pulse/simple.h,
 814                              AC_CHECK_LIB([pulse],
 815                                           [pa_stream_peek],
 816                                           EXT_LIB_PATH="-L$with_libpulse/lib $EXT_LIB_PATH"
 817                                           pulse=1))
 818         ])
 819     ],
 820     [AC_MSG_RESULT([--with-libpulse not specified])
 821      CHECK_LIBHEADER(LIBPULSE,
 822                      pulse,
 823                      pa_stream_peek,
 824                      pulse/simple.h,
 825                      pulse=1,)])
 826 AM_CONDITIONAL(HAVE_PULSE, [test "$pulse" = 1])
 827 AS_IF([test x"$pulse" = x1],
 828       [AC_DEFINE([HAVE_PULSE],[1],[Have libpulse(audio) library])
 829        libpulse_msg="yes"],
 830       [AC_DEFINE([HAVE_PULSE],[0],[Lacking libpulse(audio) library])
 831        libpulse_msg="no"])
 832
 833 # check for libopus(audio) library
 834 opus=0
 835 libopus_msg="no"
 836 AC_MSG_CHECKING(for libopus)
 837 AC_ARG_WITH(libopus,
 838     [  --with-libopus=PREFIX (base of libopus installation)],
 839     [AC_MSG_RESULT([$with_libopus])
 840      AS_CASE([$with_libopus],
 841         [no],[],
 842         [yes],[
 843             CHECK_LIBHEADER(LIBOPUS,
 844                             opus,
 845                             opus_decode_float,
 846                             opus/opus.h,
 847                             AC_CHECK_DECL([OPUS_SET_GAIN],
 848                                           [opus=1],
 849                                           [],
 850                                           [[
 851                                           #include <opus/opus.h>
 852                                           ]]))
 853     ],[
 854         LDFLAGS="-L$with_libopus/lib $LDFLAGS"
 855         CPPFLAGS="-I$with_libopus/include $CPPFLAGS"
 856         AC_CHECK_HEADERS(opus/opus.h,
 857                          AC_CHECK_LIB([opus],
 858                                       [OPUS_SET_GAIN],
 859                                       EXT_LIB_PATH="-L$with_libopus/lib $EXT_LIB_PATH"
 860                                       opus=1))
 861       ])
 862     ],
 863     [AC_MSG_RESULT([--with-libopus not specified])
 864      CHECK_LIBHEADER(LIBOPUS,
 865                      opus,
 866                      opus_decode_float,
 867                      opus/opus.h,
 868                      AC_CHECK_DECL([OPUS_SET_GAIN],
 869                                    [opus=1],
 870                                    [],
 871                                    [[
 872                                      #include <opus/opus.h>
 873                                    ]]))])
 874 AM_CONDITIONAL(HAVE_OPUS, [test "$opus" = 1])
 875 AS_IF([test "x$opus" = x1],
 876       [AC_DEFINE([HAVE_OPUS],[1],[Have libopus library])
 877        libopus_msg="yes"],
 878       [AC_DEFINE([HAVE_OPUS],[0],[Lacking libopus library])
 879        libopus_msg="no (required for conversation)"])
 880
 881 # libogg
 882 AC_MSG_CHECKING(for libogg)
 883 AC_ARG_WITH(libogg,
 884     [  --with-libogg=PREFIX (base of libogg installation)],
 885     [AC_MSG_RESULT([$with_libogg])
 886      AS_CASE([$with_libogg],
 887         [no],[],
 888         [yes],[
 889             CHECK_LIBHEADER(LIBOGG,
 890                             ogg,
 891                             ogg_stream_flush_fill,
 892                             ogg/ogg.h,
 893                             ogg=1,)
 894         ],[
 895             LDFLAGS="-L$with_libogg/lib $LDFLAGS"
 896             CPPFLAGS="-I$with_libogg/include $CPPFLAGS"
 897             AC_CHECK_HEADERS(ogg/ogg.h,
 898                              AC_CHECK_LIB([ogg],
 899                                           [ogg_stream_flush_fill],
 900                                           EXT_LIB_PATH="-L$with_libogg/lib $EXT_LIB_PATH"
 901                                           ogg=1))
 902         ])
 903      ],
 904      [AC_MSG_RESULT([--with-libogg not specified])
 905       CHECK_LIBHEADER(LIBOGG,
 906                       ogg,
 907                       ogg_stream_flush_fill,
 908                       ogg/ogg.h,
 909                       ogg=1,)])
 910 AM_CONDITIONAL(HAVE_OGG, [test "$ogg" = 1])
 911 AS_IF([test x"$ogg" = x1],
 912       [AC_DEFINE([HAVE_OGG],[1],[Have ogg])]
 913       [AC_DEFINE([HAVE_OGG],[0],[Lacking ogg])])
 914
 915
 916 PKG_CHECK_MODULES([GLIB],
 917                   [glib-2.0],
 918   [# check for pbc library
 919   pbc=0
 920    AC_CHECK_HEADER([pbc/pbc.h],pbc=1)
 921    AC_CHECK_HEADER([gabe.h],abe=1)
 922    AM_CONDITIONAL(HAVE_PBC, [test "x$pbc" = x1])
 923    AM_CONDITIONAL(HAVE_ABE, [test "x$abe" = x1])
 924    AS_IF([test "x$pbc" = x1],
 925      [AC_DEFINE([HAVE_PBC],[1],[Have pbc library])],
 926      [AC_DEFINE([HAVE_PBC],[0],[Lacking pbc library])])
 927    AS_IF([test "x$abe" = x1],
 928     [AC_DEFINE([HAVE_ABE],[1],[Have ABE library])],
 929     [AC_DEFINE([HAVE_ABE],[0],[Lacking ABE library])])],
 930   [# glib-2 not found
 931    AM_CONDITIONAL(HAVE_PBC, [false])
 932    AM_CONDITIONAL(HAVE_ABE, [false])
 933    AC_DEFINE([HAVE_PBC],[0],[Lacking glib library])])
 934
 935
 936 gst=0
 937 gstreamer_msg="no"
 938 AC_MSG_CHECKING(for gstreamer)
 939 PKG_CHECK_MODULES(
 940   [GST],
 941   [glib-2.0 gobject-2.0 gstreamer-1.0 gstreamer-app-1.0 gstreamer-audio-1.0],
 942   [gst=1
 943    gstreamer_msg="yes"],
 944   [gst=0])
 945
 946 # conversation
 947 AC_MSG_CHECKING(conversation feature set to build)
 948 AS_IF([test "x$pulse" != "x1" -o "x$opus" != "x1" -o "x$ogg" != "x1"],[
 949  AS_IF([test "x$gst" != "x1"],[
 950   conversation_backend=none
 951   AM_CONDITIONAL(BUILD_PULSE_HELPERS, false)
 952   AM_CONDITIONAL(BUILD_GST_HELPERS, false)
 953   AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 954  ],[
 955    conversation_backend=gst
 956    AM_CONDITIONAL(BUILD_PULSE_HELPERS, false)
 957    AM_CONDITIONAL(BUILD_GST_HELPERS, true)
 958    AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 959  ])
 960 ],[
 961  conversation_backend=pulse
 962  AM_CONDITIONAL(BUILD_PULSE_HELPERS, true)
 963  AM_CONDITIONAL(BUILD_GST_HELPERS, false)
 964  AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 965 ])
 966
 967 AS_IF([test "x$conversation_backend" = "xnone"],
 968       AM_CONDITIONAL(BUILD_CONVERSATION, false),
 969       AM_CONDITIONAL(BUILD_CONVERSATION, true))
 970
 971 # libgnurl
 972 LIBGNURL_CHECK_CONFIG(,7.34.0,gnurl=1,gnurl=0)
 973
 974 SAVE_CPPFLAGS=$CPPFLAGS
 975 CPPFLAGS="$LIBGNURL_CPPFLAGS $LIBCURL_CPPFLAGS $CPPFLAGS"
 976 LIBS="$LIBGNURL $LIBCURL $LIBS"
 977
 978 # libcurl-gnutls
 979 LIBCURL_CHECK_CONFIG(,7.34.0,[curl=true],[curl=false])
 980 AS_IF([test "x$curl" = xtrue],[
 981  AC_CHECK_HEADER([curl/curl.h],
 982   AC_CHECK_DECLS(CURLINFO_TLS_SESSION,[curl=true],[curl=false],[[#include <curl/curl.h>]]),
 983   [curl=false])
 984  # need libcurl-gnutls.so, everything else is not acceptable
 985  AC_CHECK_LIB([curl-gnutls],[curl_easy_getinfo],,[curl=false])
 986  # cURL must support CURLINFO_TLS_SESSION, version >= 7.34
 987 ])
 988
 989 # libcurl and libgnurl should be mutually exclusive
 990 AS_IF([test "$gnurl" = 1],
 991       [AM_CONDITIONAL(HAVE_LIBGNURL, true)
 992        AC_DEFINE([HAVE_LIBGNURL],[1],[Have libgnurl])
 993        AM_CONDITIONAL(HAVE_LIBCURL, false)
 994        AC_DEFINE([HAVE_LIBCURL],[0],[Lacking libcurl])],
 995       [AS_IF([test "$curl" = true],
 996              [AM_CONDITIONAL(HAVE_LIBGNURL, false)
 997               AC_DEFINE([HAVE_LIBGNURL],[0],[Lacking libgnurl])
 998               AM_CONDITIONAL(HAVE_LIBCURL, true)
 999               AC_DEFINE([HAVE_LIBCURL],[1],[Have libcurl])],
1000              [AC_MSG_WARN([ERROR: GNUnet requires libcurl-gnutls or gnurl >= 7.34])
1001               AM_CONDITIONAL(HAVE_LIBGNURL, false)
1002               AC_DEFINE([HAVE_LIBGNURL],[0],[Lacking libgnurl])
1003               AM_CONDITIONAL(HAVE_LIBCURL, false)
1004               AC_DEFINE([HAVE_LIBCURL],[0],[Lacking libcurl])])])
1005
1006 AC_SEARCH_LIBS(__atomic_load_8, atomic, [have_libatomic=1 AC_DEFINE(HAVE_LIBATOMIC,1,[external libatomic])])
1007 AM_CONDITIONAL(HAVE_LIBATOMIC, [test "$have_libatomic" = 1])
1008
1009 # restore LIBS & CPPFLAGS
1010 LIBS=$SAVE_LIBS
1011 CPPFLAGS=$SAVE_CPPFLAGS
1012
1013
1014 AC_CHECK_HEADERS([nss.h],[nss=true],[nss=false])
1015 AS_IF([test x$nss = xfalse],
1016   [
1017         AM_CONDITIONAL(HAVE_GLIBCNSS, false)
1018         AC_MSG_WARN([No GNU libc nss header, will not build NSS plugin])
1019   ],[
1020         NSS_INCLUDES="
1021         #include <nss.h>
1022         "
1023         AC_CHECK_DECL([NSS_STATUS_UNAVAIL],
1024                 [AM_CONDITIONAL(HAVE_GLIBCNSS, true)],
1025                 [AM_CONDITIONAL(HAVE_GLIBCNSS, false)
1026                  AC_MSG_WARN([No nss header fails to define NSS_STATUS_UNAVAIl, will not build NSS plugin])],
1027                 [$NSS_INCLUDES])
1028 ])
1029
1030
1031
1032 # test for kvm and kstat (for CPU stats under BSD/Solaris)
1033 AC_CHECK_LIB([kvm],[kvm_open])
1034 AC_CHECK_LIB([kstat],[kstat_open])
1035
1036
1037 # test for libextractor
1038 extractor=0
1039 AC_MSG_CHECKING(for libextractor)
1040 AC_ARG_WITH(extractor,
1041    [  --with-extractor=PREFIX (base of libextractor installation)],
1042    [AC_MSG_RESULT([$with_extractor])
1043     AS_CASE([$with_extractor],
1044       [no],[],
1045       [yes],[
1046         AC_CHECK_HEADERS([extractor.h],
1047           AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1048             extractor=1))
1049       ],[
1050         LDFLAGS="-L$with_extractor/lib $LDFLAGS"
1051         CPPFLAGS="-I$with_extractor/include $CPPFLAGS"
1052         AC_CHECK_HEADERS([extractor.h],
1053           AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1054             EXT_LIB_PATH="-L$with_extractor/lib $EXT_LIB_PATH"
1055             extractor=1))
1056       ])
1057    ],
1058    [AC_MSG_RESULT([--with-extractor not specified])
1059     AC_CHECK_HEADERS([extractor.h],
1060      AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1061       extractor=1))])
1062 # restore LIBS
1063 LIBS=$SAVE_LIBS
1064
1065 AS_IF([test "$extractor" != 1],
1066  [
1067  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, false)
1068  AC_DEFINE([HAVE_LIBEXTRACTOR],[0],[Lacking libextractor])
1069  ],[
1070  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, true)
1071  AC_DEFINE([HAVE_LIBEXTRACTOR],[1],[Have libextractor])
1072  ])
1073
1074
1075 # Check for libltdl header (#2999)
1076 ltdl=0
1077 AC_MSG_CHECKING(for libltdl)
1078 AC_ARG_WITH(ltdl,
1079    [AS_HELP_STRING([--with-ltdl=PREFIX],[base of libltdl installation])],
1080    [AC_MSG_RESULT([$with_ltdl])
1081     AS_CASE([$with_ltdl],
1082       [no],[],
1083       [yes],[
1084         AC_CHECK_HEADERS(ltdl.h,
1085           AC_CHECK_LIB([ltdl], [lt_dlopenext],
1086             ltdl=1))
1087       ],[
1088         LDFLAGS="-L$with_ltdl/lib $LDFLAGS"
1089         CPPFLAGS="-I$with_ltdl/include $CPPFLAGS"
1090         AC_CHECK_HEADERS(ltdl.h,
1091           AC_CHECK_LIB([ltdl], [lt_dlopenext],
1092             EXT_LIB_PATH="-L$with_ltdl/lib $EXT_LIB_PATH"
1093             ltdl=1))
1094       ])
1095    ],
1096    [AC_MSG_RESULT([--with-ltdl not specified])
1097     AC_CHECK_HEADERS(ltdl.h,
1098      AC_CHECK_LIB([ltdl], [lt_dlopenext],
1099       ltdl=1))])
1100 AS_IF([test x$ltdl = x1],
1101 [
1102  AC_MSG_RESULT([libltdl found])
1103 ],[
1104  AC_MSG_ERROR([GNUnet requires libltdl (from GNU libtool).])
1105 ])
1106 # restore LIBS
1107 LIBS=$SAVE_LIBS
1108
1109 # libidn and libidn2. The ideal goal is this:
1110 # check for libidn2, if it doesn't exist check for libidn
1111 # if both exist, prefer libidn2
1112 # if none exist, fail and message that libidn or libidn2
1113 # is required with a preference for libidn2.
1114 # TODO: What we have right here can probably be improved.
1115 AC_MSG_CHECKING(for idn or idn2)
1116
1117 AC_MSG_CHECKING(for idn)
1118 my_with_libidn=1
1119 AC_ARG_WITH(libidn,
1120             AS_HELP_STRING([--with-libidn=pathname],
1121                            [Support IDN (needs libidn)]),
1122             [],
1123             [withval="yes"])
1124 AS_IF([test x_$withval = x_yes],
1125       [AC_CHECK_HEADERS([idna.h],
1126                         AC_MSG_NOTICE([Found idna.h]),
1127                         AC_CHECK_HEADERS([idn/idna.h],
1128                                          AC_MSG_NOTICE([Found idn/idna.h]),
1129                                          my_with_libidn=0))],
1130       [AS_IF([test x_$withval != x_no],
1131              [CFLAGS="$CFLAGS -I$withval/include"
1132               LDFLAGS="$LDFLAGS -L$withval/lib"
1133               AC_CHECK_HEADERS([idna.h],
1134                                AC_MSG_NOTICE([Found idna.h]),
1135                                    [AC_MSG_NOTICE([Failed to find idna.h])
1136                                my_with_libidn=0])],
1137              [my_with_libidn=0])])
1138
1139 AC_MSG_CHECKING(for idn2)
1140 my_with_libidn2=1
1141 AC_ARG_WITH(libidn2,
1142             AS_HELP_STRING([--with-libidn2=pathname],
1143                            [Support IDN (needs libidn2)]),
1144             [],
1145             [withval="yes"])
1146 AS_IF([test x_$withval = x_yes],
1147       [AC_CHECK_HEADERS([idn2.h],
1148                         AC_MSG_NOTICE([Found idn2.h]),
1149                         AC_CHECK_HEADERS([idn2/idn2.h],
1150                                          AC_MSG_NOTICE([Found idn2/idn2.h]),
1151                                          [AC_MSG_NOTICE([Failed to find idn2.h])
1152                                          my_with_libidn2=0]))],
1153       [AS_IF([test x_$withval != x_no],
1154              [CFLAGS="$CFLAGS -I$withval/include"
1155               LDFLAGS="$LDFLAGS -L$withval/lib"],
1156                   [my_with_libidn2=0])])
1157
1158 AC_MSG_CHECKING([if libidn can be used])
1159 # Check for LIBIDNs
1160 there_can_only_be_one=1
1161
1162 working_libidn1=0
1163 working_libidn2=0
1164 AS_IF([test x$my_with_libidn2 = x1],
1165       [AC_MSG_NOTICE([Checking for libidn2])
1166        AC_CHECK_LIB([idn2],
1167                     [idn2_to_unicode_8z8z],
1168                     [working_libidn2=1
1169                     LIBS="-lidn2 $LIBS"
1170                     AC_DEFINE_UNQUOTED([HAVE_LIBIDN2],
1171                                        [1],
1172                                        [Define to 1 if you have 'libidn2' (-lidn2).])],
1173                     [MISSING_DEPS="${MISSING_DEPS}${MISSING_SEP}libidn2"
1174                      MISSING_SEP=", "])])
1175 AM_CONDITIONAL(HAVE_LIBIDN2, test x$working_libidn2 = x1)
1176 AS_IF([test x$working_libidn2 = x0],
1177       [AS_IF([test x$my_with_libidn = x1],
1178              [AC_MSG_NOTICE([Checking for libidn])
1179               AC_CHECK_LIB([idn],
1180                            [idna_to_ascii_8z],
1181                            [working_libidn1=1
1182                            LIBS="-lidn $LIBS"
1183                            AC_DEFINE_UNQUOTED([HAVE_LIBIDN],
1184                                               [1],
1185                                               [Define to 1 if you have 'libidn' (-lidn).])],
1186                            [there_can_only_be_one=0])],
1187              [AS_IF([test x$my_with_libidn2 = x1],
1188                     [there_can_only_be_one=0
1189                      AC_MSG_FAILURE([* There can only be one libidn.
1190                                      * Provide either libidn >= 1.13
1191                                      * or
1192                                      * libidn2 to the configure
1193                                      * script via
1194                                      * --with-libidn2
1195                                      * --with-libidn])])])])
1196 AM_CONDITIONAL(HAVE_LIBIDN, test x$working_libidn1 = x1)
1197
1198 AS_IF([test "$working_libidn1" = 0 -a "$working_libidn2" = 0],
1199       [AC_MSG_ERROR([GNUnet requires libidn (or libidn2)])])
1200
1201 AS_IF([test x$there_can_only_be_one = x0],
1202       [AC_MSG_FAILURE([Missing dependencies: $MISSING_DEPS])])
1203
1204 # test for zlib
1205 SAVE_LDFLAGS=$LDFLAGS
1206 SAVE_CPPFLAGS=$CPPFLAGS
1207 AC_ARG_WITH(zlib,
1208             [  --with-zlib[[=DIR]]       use libz in DIR],
1209             [AS_IF([test "$withval" = "no"],
1210                    [AC_MSG_ERROR([GNUnet requires zlib])],
1211                    [test "$withval" != "yes"],
1212                    [Z_DIR=$withval
1213                     CPPFLAGS="${CPPFLAGS} -I$withval/include"
1214                     LDFLAGS="${LDFLAGS} -L$withval/lib"])])
1215 AC_CHECK_HEADER(zlib.h,
1216                 [],
1217                 [AC_MSG_ERROR([GNUnet requires zlib])])
1218 AC_CHECK_LIB(z,
1219              compress2,
1220              [AC_DEFINE([HAVE_ZLIB],
1221                         [],
1222                         [Have compression library])
1223               if test "x${Z_DIR}" != "x"; then
1224                       Z_CFLAGS="-I${Z_DIR}/include"
1225                       Z_LIBS="-L${Z_DIR}/lib -lz"
1226               else
1227                       Z_LIBS="-lz"
1228               fi],
1229               [AC_MSG_ERROR([GNUnet requires zlib])])
1230 AC_SUBST(Z_CFLAGS)
1231 AC_SUBST(Z_LIBS)
1232
1233 AS_IF([test "$enable_shared" = "no"],
1234       [AC_MSG_ERROR([GNUnet only works with shared libraries. Sorry.])])
1235
1236
1237 # restore LIBS
1238 LIBS=$SAVE_LIBS
1239
1240
1241 # check for iconv
1242 AM_ICONV
1243
1244 # test for libunistring
1245 gl_LIBUNISTRING
1246 AS_IF([test $HAVE_LIBUNISTRING != yes],
1247       [AC_MSG_ERROR([GNUnet requires libunistring])])
1248
1249 AS_IF([test "x$gl_libunistring_hexversion" = "x" || test "$gl_libunistring_hexversion" -le 2305],
1250       [AC_MSG_ERROR([GNUnet requires libunistring >= 0.9.1.1])])
1251 AC_CHECK_HEADERS([unistr.h],
1252                  ,
1253                  AC_MSG_ERROR([Compiling GNUnet requires unistr.h (from libunistring) to be installed]))
1254
1255 # restore LIBS
1256 LIBS=$SAVE_LIBS
1257
1258
1259
1260 # Checks for standard header files.
1261 AC_HEADER_DIRENT
1262 AC_HEADER_STDC
1263
1264 # Check for headers that are ALWAYS required
1265 AC_CHECK_HEADERS([fcntl.h math.h errno.h ctype.h limits.h stdio.h stdlib.h string.h unistd.h stdarg.h signal.h locale.h sys/stat.h sys/types.h],,AC_MSG_ERROR([Compiling GNUnet requires standard UNIX headers files: fcntl.h math.h errno.h ctype.h limits.h stdio.h stdlib.h string.h unistd.h stdarg.h signal.h locale.h sys/stat.h sys/types.h]))
1266
1267
1268
1269 # Checks for headers that are only required on some systems or
1270 # opional (and where we do NOT abort if they are not there)
1271 AC_CHECK_HEADERS([stdatomic.h malloc.h malloc/malloc.h malloc/malloc_np.h langinfo.h sys/param.h sys/mount.h sys/statvfs.h sys/select.h sockLib.h sys/mman.h sys/msg.h sys/vfs.h arpa/inet.h fcntl.h libintl.h netdb.h netinet/in.h sys/ioctl.h sys/socket.h sys/time.h unistd.h kstat.h sys/sysinfo.h kvm.h sys/file.h sys/resource.h ifaddrs.h mach/mach.h stddef.h sys/timeb.h argz.h ucred.h sys/ucred.h endian.h sys/endian.h execinfo.h byteswap.h])
1272
1273 # FreeBSD requires this for netinet/in_systm.h and netinet/ip.h
1274 AC_CHECK_HEADERS([sys/types.h netinet/in_systm.h netinet/in.h netinet/ip.h],,,
1275 [#ifdef HAVE_SYS_TYPES_H
1276 #include <sys/types.h>
1277 #endif
1278 #ifdef HAVE_NETINET_IN_SYSTM_H
1279 #include <netinet/in_systm.h>
1280 #endif
1281 #ifdef HAVE_NETINET_IN_H
1282 #include <netinet/in.h>
1283 #endif
1284 ])
1285
1286 SAVE_LDFLAGS=$LDFLAGS
1287 SAVE_CPPFLAGS=$CPPFLAGS
1288
1289 # test for sqlite
1290 sqlite=false
1291 AC_MSG_CHECKING(for SQLite)
1292 AC_ARG_WITH(sqlite,
1293   [  --with-sqlite=PFX       base of SQLite installation],
1294   [AC_MSG_RESULT("$with_sqlite")
1295    AS_CASE([$with_sqlite],
1296      [no],[],
1297      [yes],[
1298       AC_CHECK_HEADERS(sqlite3.h,
1299       sqlite=true)],
1300      [
1301     LDFLAGS="-L$with_sqlite/lib $LDFLAGS"
1302     CPPFLAGS="-I$with_sqlite/include $CPPFLAGS"
1303     AC_CHECK_HEADERS(sqlite3.h,
1304      EXT_LIB_PATH="-L$with_sqlite/lib $EXT_LIB_PATH"
1305      SQLITE_LDFLAGS="-L$with_sqlite/lib"
1306      SQLITE_CPPFLAGS="-I$with_sqlite/include"
1307      sqlite=true)
1308     LDFLAGS=$SAVE_LDFLAGS
1309     CPPFLAGS=$SAVE_CPPFLAGS
1310     ])
1311   ],
1312   [AC_MSG_RESULT([--with-sqlite not specified])
1313     AC_CHECK_HEADERS(sqlite3.h, sqlite=true)])
1314 AM_CONDITIONAL(HAVE_SQLITE, test x$sqlite = xtrue)
1315 AC_SUBST(SQLITE_CPPFLAGS)
1316 AC_SUBST(SQLITE_LDFLAGS)
1317
1318 LDFLAGS=$SAVE_LDFLAGS
1319 CPPFLAGS=$SAVE_CPPFLAGS
1320
1321 # test for postgres:
1322 postgres=false
1323 AX_LIB_POSTGRESQL([9.5],
1324   [CPPFLAGS="$CPPFLAGS $POSTGRESQL_CPPFLAGS"
1325    AC_CHECK_HEADERS([libpq-fe.h],
1326    postgres=true)
1327   ],
1328   [AC_MSG_RESULT([no postgres])])
1329
1330 AM_CONDITIONAL(HAVE_POSTGRESQL, test x$postgres = xtrue)
1331 AS_IF([test "x$postgres" = xtrue],
1332       [AC_DEFINE([HAVE_POSTGRESQL],[1],[Have PostgreSQL])],
1333       [AC_DEFINE([HAVE_POSTGRESQL],[0],[Lacking PostgreSQL])])
1334
1335 LDFLAGS=$SAVE_LDFLAGS
1336 CPPFLAGS=$SAVE_CPPFLAGS
1337
1338 # mysql & windows
1339 AC_CHECK_TYPES([sigset_t, off_t], [], [], [#include <sys/types.h>])
1340 AC_CHECK_TYPES([size_t], [], [], [#include <stdio.h>])
1341
1342 # test for mysql
1343 mysql=false
1344 mysqlfail=false
1345 SAVE_LDFLAGS=$LDFLAGS
1346 SAVE_CPPFLAGS=$CPPFLAGS
1347 AC_MSG_CHECKING(for mysql)
1348 AC_ARG_WITH(mysql,
1349   [  --with-mysql=PFX        base of MySQL installation],
1350   [AC_MSG_RESULT([$with_mysql])
1351    AS_CASE([$with_mysql],
1352      [no],[],
1353      [yes|""],[
1354       AC_CHECK_HEADERS(mysql/mysql.h,
1355        AC_CHECK_LIB(mysqlclient, mysql_init,
1356        mysql=true), [], [])
1357      ],[
1358       LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql $LDFLAGS $ZLIBS"
1359       CPPFLAGS="-I$with_mysql/include $CPPFLAGS"
1360       AC_CHECK_HEADERS(mysql/mysql.h,
1361        AC_CHECK_LIB(mysqlclient, mysql_init,
1362         MYSQL_LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql"
1363         MYSQL_CPPFLAGS="-I$with_mysql/include"
1364
1365         mysql=true), [], [])
1366      ])
1367   ],
1368   [AC_MSG_RESULT([--with-mysql not specified])
1369    if test -d "/usr/lib64/mysql"; then
1370     MYSQL_LIBDIR="/usr/lib64/mysql"
1371    elif test -d "/usr/lib/mysql"; then
1372     MYSQL_LIBDIR="/usr/lib/mysql"
1373    else
1374     MYSQL_LIBDIR="/usr/lib"
1375    fi
1376    LDFLAGS="-L$MYSQL_LIBDIR $LDFLAGS $ZLIBS"
1377    AC_CHECK_LIB(mysqlclient, mysql_init,
1378     [AC_CHECK_HEADERS(mysql/mysql.h,
1379       MYSQL_LDFLAGS="-L$MYSQL_LIBDIR"
1380       mysql=true
1381
1382      , [], [])])
1383   ])
1384
1385 AC_SUBST(MYSQL_LDFLAGS)
1386 AC_SUBST(MYSQL_CPPFLAGS)
1387
1388 # additional version check for mysql
1389 AC_ARG_ENABLE(mysql-version-check, [  --disable-mysql-version-check  do not check MySQL version],, enable_mysql_version_check=yes)
1390 AS_IF([test "$mysql" = "true" -a "x$enable_mysql_version_check" = "xyes"],
1391  [
1392   AC_MSG_CHECKING(mysql version)
1393   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1394     [[
1395       #include <mysql/mysql.h>]],
1396     [[
1397       #if (MYSQL_VERSION_ID < 40100)
1398       #error needs at least version >= 4.1
1399       #endif
1400       int main () { return 0; }
1401     ]])
1402     ],
1403     [mysql=true],
1404     [mysql=false])
1405   AS_IF([test x$mysql = xfalse],
1406    [
1407     mysqlfail=true
1408     AC_MSG_WARN([fail, MySQL >= 4.1 required])
1409    ],[
1410     AC_MSG_NOTICE([success, will keep $mysqlfail])
1411     mysqlfail=false
1412     AC_MSG_RESULT(ok)
1413    ])
1414 ])
1415
1416 AM_CONDITIONAL(HAVE_MYSQL, test x$mysql = xtrue)
1417 AM_CONDITIONAL(HAVE_MYSQLE, false)
1418 # restore LIBS
1419 LIBS=$SAVE_LIBS
1420 LDFLAGS=$SAVE_LDFLAGS
1421 CPPFLAGS=$SAVE_CPPFLAGS
1422
1423 # TODO: should this test for "or" not "and"?
1424 # TODO: Add postgres?
1425 AS_IF([test "$sqlite" = 0 -a "$mysql" = 0],
1426 [
1427  AC_MSG_ERROR([GNUnet requires SQLite or MySQL / MariaDB.])
1428 ])
1429
1430 # libmicrohttpd
1431 lmhd=0
1432 m4_define([MHD_MODULE], [libmicrohttpd >= 0.9.63])
1433 AC_ARG_WITH(microhttpd,
1434    [AS_HELP_STRING([--with-microhttpd[[=PFX]]],
1435        [base of libmicrohttpd installation])],
1436    [],
1437    [with_microhttpd=check])
1438 AS_CASE([$with_microhttpd],
1439    [no], [],
1440    [yes], [PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])],
1441    [check], [PKG_CHECK_MODULES([MHD], [MHD_MODULE],
1442        [lmhd=1],
1443        [AC_MSG_WARN([Building without libmicrohttpd])])],
1444    [SAVE_PKG_CONFIG_PATH=$PKG_CONFIG_PATH
1445     PKG_CONFIG_PATH=$with_microhttpd/lib/pkgconfig
1446     export PKG_CONFIG_PATH
1447     PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])
1448     PKG_CONFIG_PATH=$SAVE_PKG_CONFIG_PATH])
1449 AM_CONDITIONAL(HAVE_MHD, test x$lmhd = x1)
1450 AC_DEFINE_UNQUOTED([HAVE_MHD], $lmhd, [We have libmicrohttpd])
1451
1452 AM_CONDITIONAL(HAVE_JSON, [test x$jansson = x1])
1453
1454 # restore LIBS
1455 LIBS=$SAVE_LIBS
1456
1457 # check for gettext
1458 AM_GNU_GETTEXT([external])
1459 AM_GNU_GETTEXT_VERSION([0.18.1])
1460
1461 # Checks for standard typedefs, structures, and compiler characteristics.
1462 AC_TYPE_PID_T
1463 AC_TYPE_SIZE_T
1464 AC_TYPE_MODE_T
1465 AC_HEADER_TIME
1466 AC_HEADER_STAT
1467 AC_HEADER_STDBOOL
1468 AC_STRUCT_TM
1469
1470 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
1471    [ AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [Do we have sockaddr_in.sin_len?])
1472    ],
1473    [],
1474    [
1475       #include <sys/types.h>
1476       #include <sys/socket.h>
1477       #include <netinet/in.h>
1478    ])
1479
1480 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
1481                 [ AC_DEFINE(HAVE_SOCKADDR_UN_SUN_LEN,
1482                             1,
1483                             [Do we have sockaddr_un.sun_len?])],
1484                 [],
1485                 [
1486                 #include <sys/types.h>
1487                 #include <sys/socket.h>
1488                 #include <sys/un.h>
1489                 ])
1490
1491
1492
1493 # Checks for library functions.
1494 AC_FUNC_CLOSEDIR_VOID
1495 AC_FUNC_FORK
1496 AC_PROG_GCC_TRADITIONAL
1497 AC_FUNC_MEMCMP
1498 AC_FUNC_SELECT_ARGTYPES
1499 AC_FUNC_CHOWN
1500
1501 AC_TYPE_SIGNAL
1502 AC_FUNC_STAT
1503 AC_FUNC_STRFTIME
1504 AC_FUNC_VPRINTF
1505 AC_HEADER_SYS_WAIT
1506 AC_TYPE_OFF_T
1507 AC_TYPE_UID_T
1508 AC_CHECK_FUNCS([atoll stat64 strnlen mremap getrlimit setrlimit sysconf initgroups strndup gethostbyname2 getpeerucred getpeereid setresuid $funcstocheck getifaddrs freeifaddrs getresgid mallinfo malloc_size malloc_usable_size getrusage random srandom stat statfs statvfs wait4])
1509
1510 # restore LIBS
1511 LIBS=$SAVE_LIBS
1512
1513 GN_INTLINCL=""
1514 GN_LIBINTL="$LTLIBINTL"
1515 AC_ARG_ENABLE(framework,
1516               [AS_HELP_STRING([--enable-framework],[enable Mac OS X framework build helpers])],
1517               enable_framework_build=$enableval)
1518 AM_CONDITIONAL(WANT_FRAMEWORK,
1519                test x$enable_framework_build = xyes)
1520 AS_IF([test x$enable_framework_build = xyes],
1521       [AC_DEFINE([FRAMEWORK_BUILD],
1522                  1,
1523                  [Build a Mac OS X Framework])
1524       GN_INTLINCL='-I$(top_srcdir)/src/intlemu'
1525       GN_LIBINTL='$(top_builddir)/src/intlemu/libintlemu.la -framework CoreFoundation'
1526       AC_LIB_APPENDTOVAR([CPPFLAGS],
1527                          [$GN_INTLINCL])])
1528
1529 GN_LIB_LDFLAGS="-export-dynamic -no-undefined"
1530 GN_PLUGIN_LDFLAGS="-export-dynamic -avoid-version -module -no-undefined"
1531
1532 AC_SUBST(GN_LIB_LDFLAGS)
1533 AC_SUBST(GN_PLUGIN_LDFLAGS)
1534 AC_SUBST(GN_INTLINCL)
1535 AC_SUBST(GN_LIBINTL)
1536
1537 AC_SUBST(CPPFLAGS)
1538 AC_SUBST(LIBS)
1539 AC_SUBST(LDFLAGS)
1540 AC_SUBST(EXT_LIB_PATH)
1541 AC_SUBST(EXT_LIBS)
1542
1543 AC_SUBST(LIBPREFIX)
1544 AC_SUBST(DLLDIR)
1545 AC_SUBST(EXT_LIB_PATH)
1546
1547 DATAROOTDIR=$datarootdir
1548 AC_SUBST(DATAROOTDIR)
1549
1550 # test for sudo
1551 AC_MSG_CHECKING(for sudo)
1552 #AC_CHECK_PROGS(SUDO_BINARY, [sudo], false)
1553 #AM_CONDITIONAL(HAVE_SUDO, test x$SUDO_BINARY != xfalse)
1554 AC_ARG_WITH(sudo,
1555            [  --with-sudo=PATH       path to sudo binary (or just yes)],
1556            [AC_MSG_RESULT("$with_sudo")
1557             AS_CASE([$with_sudo],
1558                     [no],[SUDO_BINARY=],
1559                     [yes],[SUDO_BINARY=sudo],
1560                     [SUDO_BINARY=$with_sudo])],
1561            [AC_MSG_RESULT([no])])
1562 AC_SUBST(SUDO_BINARY)
1563 AM_CONDITIONAL([HAVE_SUDO],
1564               [test "x$SUDO_BINARY" != "x" -o -w /])
1565
1566 # test for doas
1567 AC_MSG_CHECKING(for doas)
1568 AC_CHECK_PROGS(DOAS_BINARY, [doas], false)
1569 AM_CONDITIONAL(HAVE_DOAS_BINARY, test x$DOAS_BINARY != xfalse)
1570
1571 # test for gnunetdns group name
1572 GNUNETDNS_GROUP=gnunetdns
1573 AC_MSG_CHECKING(for gnunetdns group name)
1574 AC_ARG_WITH(gnunetdns,
1575             [  --with-gnunetdns=GRPNAME       name for gnunetdns group],
1576             [AC_MSG_RESULT("$with_gnunetdns")
1577              AS_CASE([$with_gnunetdns],
1578                      [no],[GNUNETDNS_GROUP=gnunet],
1579                      [yes],[GNUNETDNS_GROUP=gnunetdns],
1580                      [GNUNETDNS_GROUP=$with_gnunetdns])],
1581             [AC_MSG_RESULT([gnunetdns])])
1582 AC_SUBST(GNUNETDNS_GROUP)
1583
1584
1585
1586 # gnutls
1587 gnutls=0
1588 gnutls_dane=0
1589 AC_MSG_CHECKING(for gnutls)
1590 AC_ARG_WITH(gnutls,
1591             [  --with-gnutls=PFX   base of gnutls installation],
1592             [AC_MSG_RESULT([$with_gnutls])
1593              AS_CASE([$with_gnutls],
1594                      [no],[],
1595                      [yes],
1596                      [AC_CHECK_HEADERS([gnutls/abstract.h],
1597                                        AC_CHECK_LIB([gnutls],
1598                                                     [gnutls_priority_set],
1599                                                     gnutls=true))
1600                       AC_CHECK_HEADERS([gnutls/dane.h],
1601                                        AC_CHECK_LIB([gnutls-dane],
1602                                                     [dane_verify_crt_raw],
1603                                                     gnutls_dane=1))],
1604
1605         [LDFLAGS="-L$with_gnutls/lib $LDFLAGS"
1606         CPPFLAGS="-I$with_gnutls/include $CPPFLAGS"
1607         AC_CHECK_HEADERS([gnutls/abstract.h],
1608             AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1609               EXT_LIB_PATH="-L$with_gnutls/lib $EXT_LIB_PATH"
1610               gnutls=true))
1611         AC_CHECK_HEADERS([gnutls/dane.h],
1612             AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1613               gnutls_dane=1))
1614       ])
1615    ],
1616    [AC_MSG_RESULT([--with-gnutls not specified])
1617     AC_CHECK_HEADERS([gnutls/abstract.h],
1618         AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1619           gnutls=true))
1620     AC_CHECK_HEADERS([gnutls/dane.h],
1621         AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1622                      gnutls_dane=1))
1623    ])
1624 AM_CONDITIONAL(HAVE_GNUTLS, test x$gnutls = xtrue)
1625 AC_DEFINE_UNQUOTED([HAVE_GNUTLS], $gnutls, [We have GnuTLS])
1626 AM_CONDITIONAL(HAVE_GNUTLS_DANE, test x$gnutls_dane = x1)
1627 AC_DEFINE_UNQUOTED([HAVE_GNUTLS_DANE], $gnutls_dane, [We have GnuTLS with DANE support])
1628
1629
1630
1631 # Test if we are building for superMUC
1632 AC_MSG_CHECKING(if GNUnet is being configured to run on the SuperMUC)
1633 AC_ARG_ENABLE([supermuc],
1634     [AS_HELP_STRING([--enable-supermuc],
1635        [build GNUnet with support to run on the SuperMUC (default is NO)])],
1636     [AS_IF([test "x$enable_supermuc" = "xno"],
1637       [supermuc=0],
1638       [supermuc=1])],
1639     [supermuc=0
1640      enable_supermuc=no])
1641 AC_MSG_RESULT($enable_SUPERMUC)
1642 AM_CONDITIONAL([ENABLE_SUPERMUC], [test "x$supermuc" = "x1"])
1643 AC_DEFINE_UNQUOTED([ENABLE_SUPERMUC], [$supermuc], [Build with support for SuperMUC])
1644
1645 # Check if NSE has to send timestamp information to testbed logger for
1646 # generating histogram of messages received
1647 AC_MSG_CHECKING(if NSE has to send timestamp information to testbed logger)
1648 AC_ARG_ENABLE([nse-histogram],
1649     [AS_HELP_STRING([--enable-nse-histogram],
1650        [have NSE send timestamp information to testbed logger for generating
1651        histogram of received messages.  NOT useful for production (default is
1652        NO)])],
1653     [AS_IF([test "x$enableval" = "xno"],
1654       [nse_histogram=0],
1655       [nse_histogram=1])],
1656     [nse_histogram=0
1657      enable_nse_histogram=no])
1658 AC_MSG_RESULT($enable_nse_histogram)
1659 AM_CONDITIONAL([ENABLE_NSE_HISTOGRAM], [test "x$nse_histogram" = "x1"])
1660 AC_DEFINE_UNQUOTED([ENABLE_NSE_HISTOGRAM], [$nse_histogram],
1661                    [have NSE send timestamp information to testbed logger])
1662
1663 # should 'make check' run tests?
1664 AC_MSG_CHECKING(whether to run tests)
1665 AC_ARG_ENABLE([testruns],
1666    [AS_HELP_STRING([--disable-testruns], [disable running tests on make check (default is YES)])],
1667    [enable_tests_run=${enableval}],
1668    [enable_tests_run=yes])
1669 AC_MSG_RESULT($enable_test_run)
1670 AM_CONDITIONAL([ENABLE_TEST_RUN], [test "x$enable_tests_run" = "xyes"])
1671
1672
1673 AC_MSG_CHECKING([whether to compile in benchmarks (currently for http and crypto)])
1674 AC_ARG_ENABLE([benchmark],
1675    [AS_HELP_STRING([--enable-benchmark], [enable benchmarking])],
1676    [enable_benchmark=${enableval}],
1677    [enable_benchmark=no])
1678 AC_MSG_RESULT($enable_benchmark)
1679 AS_IF([test "x$enable_benchmark" = "xyes"],
1680       [AC_DEFINE_UNQUOTED(ENABLE_BENCHMARK,1,[Benchmarks are enabled])])
1681 AM_CONDITIONAL([ENABLE_BENCHMARK], [test "x$enable_benchmark" = "xyes"])
1682
1683
1684 # should expensive tests be run?
1685 AC_MSG_CHECKING(whether to run expensive tests)
1686 AC_ARG_ENABLE([expensivetests],
1687    [AS_HELP_STRING([--enable-expensivetests], [enable running expensive testcases])],
1688    [enable_expensive=${enableval}],
1689    [enable_expensive=no])
1690 AC_MSG_RESULT($enable_expensive)
1691 AM_CONDITIONAL([HAVE_EXPENSIVE_TESTS], [test "x$enable_expensive" = "xyes"])
1692
1693 # should ports be open for Java services?
1694 AC_MSG_CHECKING(whether to enable ports for gnunet-java)
1695 AC_ARG_ENABLE([javaports],
1696    [AS_HELP_STRING([--enable-javaports], [use non-zero ports for services with Java bindings (default is NO)])],
1697    [enable_java_ports=${enableval}],
1698    [enable_java_ports=no])
1699 AC_MSG_RESULT($enable_java_ports)
1700 AS_IF([test "x$enable_java_ports" = "xyes"],
1701  [JAVAPORT=""],
1702  [JAVAPORT="$UNIXONLY"])
1703 AC_SUBST(JAVAPORT)
1704
1705 # should benchmarks be run?
1706 AC_MSG_CHECKING(whether to run benchmarks during make check)
1707 AC_ARG_ENABLE([benchmarks],
1708    [AS_HELP_STRING([--enable-benchmarks], [enable running benchmarks during make check])],
1709    [enable_benchmarks=${enableval}],
1710    [enable_benchmarks=no])
1711 AC_MSG_RESULT($enable_benchmarks)
1712 AM_CONDITIONAL([HAVE_BENCHMARKS], [test "x$enable_benchmarks" = "xyes"])
1713
1714 # should gnunet-testing be compiled
1715 AC_MSG_CHECKING(whether to compile gnunet-testing)
1716 AC_ARG_ENABLE([testing],
1717    [AS_HELP_STRING([--disable-testing], [do not build gnunet-testing])],
1718    [enable_testing=${enableval}],
1719    [enable_testing=yes])
1720 AC_MSG_RESULT($enable_testing)
1721 AM_CONDITIONAL([HAVE_TESTING], [test "x$enable_testing" = "xyes"])
1722
1723 # should experimental code be compiled (code that may not yet compile)?
1724 AC_MSG_CHECKING(whether to compile experimental code)
1725 AC_ARG_ENABLE([experimental],
1726    [AS_HELP_STRING([--enable-experimental], [enable compiling experimental code])],
1727    [enable_experimental=${enableval}],
1728    [enable_experimental=no])
1729 AC_MSG_RESULT($enable_experimental)
1730 AM_CONDITIONAL([HAVE_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
1731
1732 # should malicious code be compiled (should only be used for testing)?
1733 AC_MSG_CHECKING(whether to compile malicious code)
1734 AC_ARG_ENABLE([malicious],
1735    [AS_HELP_STRING([--enable-malicious], [enable compiling malicious code])],
1736    [AS_IF([test "x$enableval" = "xno"],
1737      [malicious=0],
1738      [malicious=1])],
1739    [malicious=0
1740     enable_malicious=no])
1741 AC_MSG_RESULT($enable_malicious)
1742 AM_CONDITIONAL([ENABLE_MALICIOUS], [test 1=$malicious])
1743 AC_DEFINE_UNQUOTED([ENABLE_MALICIOUS], [$malicious],
1744                    [enable compilation of malicious code])
1745
1746 # should services be started on demand when needed?
1747 # Some services may choose to never start by default
1748 # and it is up to the service/module developer to decide
1749 # by having "START_ON_DEMAND = NO" instead of
1750 # "START_ON_DEMAND = @START_ON_DEMAND@"
1751 # in the service/module's conf.in file.
1752 # See also IMMEDIATE_START for an unconditional immediate start.
1753 START_ON_DEMAND="YES"
1754 AC_MSG_CHECKING(whether to start peer's services on demand by default)
1755 AC_ARG_ENABLE([autostart],
1756    [AS_HELP_STRING([--disable-autostart], [do not start peer's services by default])],
1757    [enable_autostart=${enableval}
1758     AS_IF([test "x$enable_autostart" = "xno"],
1759       [START_ON_DEMAND="NO"])
1760    ],
1761    [enable_autostart=yes])
1762 AC_MSG_RESULT($enable_autostart)
1763 #AM_CONDITIONAL([HAVE_START_ON_DEMAND], [test "x$enable_autostart" = "xyes"])
1764 AC_SUBST(START_ON_DEMAND)
1765
1766 # should memory statistics be kept (very expensive CPU-wise!)
1767 AC_MSG_CHECKING(whether to create expensive statistics on memory use)
1768 AC_ARG_ENABLE([heapstats],
1769    [AS_HELP_STRING([--enable-heapstats], [enable expensive heap statistics])],
1770    [enable_heapstats=1],
1771    [enable_heapstats=0])
1772 AC_MSG_RESULT($enable_heapstats)
1773 AC_DEFINE_UNQUOTED([ENABLE_HEAP_STATISTICS],$enable_heapstats,[enable expensive heap statistics])
1774
1775
1776 # Check if the __thread storage class for
1777 # thread-local storage is available.
1778 AC_MSG_CHECKING(whether __thread is supported)
1779 AC_LINK_IFELSE(
1780 [AC_LANG_PROGRAM([#include <stdlib.h>
1781                    #undef __thread
1782                    static __thread int a = 1;],
1783                   [exit(a-1);])],
1784  [have_thread_local_gcc=1],[have_thread_local_gcc=0])
1785 AC_DEFINE_UNQUOTED([HAVE_THREAD_LOCAL_GCC],$have_thread_local_gcc,[Define this if __thread is supported])
1786 AS_IF([test "x$have_thread_local_gcc" = "x1"],
1787       [AC_MSG_RESULT(yes)],
1788       [AC_MSG_RESULT(no)])
1789
1790 # gcov compilation
1791 AC_MSG_CHECKING(whether to compile with support for code coverage analysis)
1792 AC_ARG_ENABLE([coverage],
1793               AS_HELP_STRING([--enable-coverage],
1794                              [compile the library with code coverage support]),
1795               [use_gcov=${enableval}],
1796               [use_gcov=no])
1797 AC_MSG_RESULT($use_gcov)
1798 AM_CONDITIONAL([USE_COVERAGE], [test "x$use_gcov" = "xyes"])
1799
1800
1801 # version info
1802 # TODO: git blame says this predates our switch to git.
1803 # git-svn should be adjusted to simply git, or
1804 # an external script that does the job.
1805 AC_PATH_PROG(svnversioncommand, svnversion)
1806 AC_PATH_PROG(gitcommand, git)
1807 AC_MSG_CHECKING(for source being under a VCS)
1808
1809
1810 # version info
1811 AC_PATH_PROG(gitcommand, git)
1812 AC_MSG_CHECKING(for source being under a VCS)
1813 git_version=
1814 AS_IF([test ! "X$gitcommand" = "X"],
1815 [
1816   git_version=$(cd $srcdir ; git rev-list --full-history --all --abbrev-commit | head -n 1 2>/dev/null)
1817 ])
1818 AS_IF([test "X$git_version" = "X"],
1819   [
1820     vcs_name="no"
1821     vcs_version="\"release\""
1822   ],
1823   [
1824     vcs_name="yes, git-svn"
1825     vcs_version="\"git-$git_version\""
1826   ])
1827 AC_MSG_RESULT($vcs_name)
1828
1829 AC_MSG_CHECKING(VCS version)
1830 AC_MSG_RESULT($vcs_version)
1831 AC_DEFINE_UNQUOTED(VCS_VERSION, [$vcs_version], [VCS revision/hash or tarball version])
1832
1833 AC_CONFIG_FILES([
1834 Makefile
1835 bin/Makefile
1836 contrib/Makefile
1837 contrib/hellos/Makefile
1838 contrib/services/Makefile
1839 contrib/services/openrc/Makefile
1840 contrib/services/systemd/Makefile
1841 contrib/scripts/Makefile
1842 contrib/scripts/gnunet-logread/Makefile
1843 doc/Makefile
1844 doc/man/Makefile
1845 doc/doxygen/Makefile
1846 doc/handbook/Makefile
1847 doc/tutorial/Makefile
1848 m4/Makefile
1849 po/Makefile.in
1850 src/Makefile
1851 src/arm/Makefile
1852 src/arm/arm.conf
1853 src/ats/Makefile
1854 src/ats/ats.conf
1855 src/ats-tool/Makefile
1856 src/ats-tests/Makefile
1857 src/auction/Makefile
1858 src/block/Makefile
1859 src/cadet/Makefile
1860 src/cadet/cadet.conf
1861 src/core/Makefile
1862 src/core/core.conf
1863 src/consensus/Makefile
1864 src/consensus/consensus.conf
1865 src/conversation/Makefile
1866 src/conversation/conversation.conf
1867 src/curl/Makefile
1868 src/datacache/Makefile
1869 src/datastore/Makefile
1870 src/datastore/datastore.conf
1871 src/dht/Makefile
1872 src/dht/dht.conf
1873 src/dns/Makefile
1874 src/dns/dns.conf
1875 src/exit/Makefile
1876 src/fragmentation/Makefile
1877 src/fs/Makefile
1878 src/fs/fs.conf
1879 src/gns/Makefile
1880 src/gns/gns.conf
1881 src/gns/nss/Makefile
1882 src/gnsrecord/Makefile
1883 src/hello/Makefile
1884 src/identity/Makefile
1885 src/identity/identity.conf
1886 src/abd/Makefile
1887 src/abd/abd.conf
1888 src/include/Makefile
1889 src/integration-tests/Makefile
1890 src/json/Makefile
1891 src/hostlist/Makefile
1892 src/my/Makefile
1893 src/mysql/Makefile
1894 src/namecache/Makefile
1895 src/namecache/namecache.conf
1896 src/namestore/Makefile
1897 src/namestore/namestore.conf
1898 src/nat/Makefile
1899 src/nat/nat.conf
1900 src/nat-auto/Makefile
1901 src/nat-auto/nat-auto.conf
1902 src/nse/Makefile
1903 src/nse/nse.conf
1904 src/nt/Makefile
1905 src/peerinfo/Makefile
1906 src/peerinfo/peerinfo.conf
1907 src/peerinfo-tool/Makefile
1908 src/peerstore/Makefile
1909 src/peerstore/peerstore.conf
1910 src/pq/Makefile
1911 src/pt/Makefile
1912 src/regex/Makefile
1913 src/regex/regex.conf
1914 src/revocation/Makefile
1915 src/revocation/revocation.conf
1916 src/rps/Makefile
1917 src/rps/rps.conf
1918 src/secretsharing/Makefile
1919 src/secretsharing/secretsharing.conf
1920 src/scalarproduct/Makefile
1921 src/scalarproduct/scalarproduct.conf
1922 src/set/Makefile
1923 src/set/set.conf
1924 src/sq/Makefile
1925 src/statistics/Makefile
1926 src/statistics/statistics.conf
1927 src/template/Makefile
1928 src/testbed/Makefile
1929 src/testbed/testbed.conf
1930 src/testbed-logger/Makefile
1931 src/testbed-logger/testbed-logger.conf
1932 src/testing/Makefile
1933 src/topology/Makefile
1934 src/transport/Makefile
1935 src/transport/transport.conf
1936 src/util/Makefile
1937 src/util/resolver.conf
1938 src/vpn/Makefile
1939 src/vpn/vpn.conf
1940 src/zonemaster/Makefile
1941 src/zonemaster/zonemaster.conf
1942 src/rest/Makefile
1943 src/abe/Makefile
1944 src/reclaim/Makefile
1945 pkgconfig/Makefile
1946 pkgconfig/gnunetarm.pc
1947 pkgconfig/gnunetats.pc
1948 pkgconfig/gnunetblock.pc
1949 pkgconfig/gnunetcadet.pc
1950 pkgconfig/gnunetconsensus.pc
1951 pkgconfig/gnunetconversation.pc
1952 pkgconfig/gnunetcore.pc
1953 pkgconfig/gnunetdatacache.pc
1954 pkgconfig/gnunetdatastore.pc
1955 pkgconfig/gnunetdht.pc
1956 pkgconfig/gnunetdns.pc
1957 pkgconfig/gnunetenv.pc
1958 pkgconfig/gnunetfragmentation.pc
1959 pkgconfig/gnunetfs.pc
1960 pkgconfig/gnunetgns.pc
1961 pkgconfig/gnunethello.pc
1962 pkgconfig/gnunetidentity.pc
1963 pkgconfig/gnunetmicrophone.pc
1964 pkgconfig/gnunetmysql.pc
1965 pkgconfig/gnunetnamestore.pc
1966 pkgconfig/gnunetnat.pc
1967 pkgconfig/gnunetnse.pc
1968 pkgconfig/gnunetpeerinfo.pc
1969 pkgconfig/gnunetpq.pc
1970 pkgconfig/gnunetregex.pc
1971 pkgconfig/gnunetrevocation.pc
1972 pkgconfig/gnunetrps.pc
1973 pkgconfig/gnunetscalarproduct.pc
1974 pkgconfig/gnunetset.pc
1975 pkgconfig/gnunetspeaker.pc
1976 pkgconfig/gnunetstatistics.pc
1977 pkgconfig/gnunettestbed.pc
1978 pkgconfig/gnunettesting.pc
1979 pkgconfig/gnunettransport.pc
1980 pkgconfig/gnunetutil.pc
1981 pkgconfig/gnunetvpn.pc
1982 ])
1983 AC_OUTPUT
1984
1985
1986 # FIXME: `some modules' -> be more specific which exact modules.
1987
1988 # java ports
1989 AS_IF([test "x$enable_java_ports" = "xyes"],
1990       [AC_MSG_NOTICE([Opening TCP ports by default to enable gnunet-java bindings.])])
1991
1992 ####
1993 #### This could be moved to the checks above,
1994 #### but for now let's keep it here.
1995 ####
1996
1997 # -- print message regarding enabled experimental features
1998 AS_IF([test "x$enable_experimental" = "xyes"],
1999       [experimental_msg="experimental features enabled"])
2000 # -- OSX Framework
2001 AS_IF([test "$enable_framework_build" = "yes"],
2002       [macosx_framework_msg="yes"],
2003       [macosx_framework_msg="no"])
2004 # -- libidn 2
2005 AS_IF([test "x$working_libidn2" = x1],
2006       [libidn2_msg="libidn2"])
2007 # -- libidn 1
2008 AS_IF([test "x$working_libidn1" = x1],
2009       [libidn1_msg="libidn1"])
2010 # -- texi2mdoc-generation
2011 AS_IF([test "x$texi2mdoc_generation" = "xyes"],
2012       [mdocml_msg="yes"],
2013       [mdocml_msg="no"])
2014 # -- texi2mdoc
2015 AS_IF([test "x$TEXI2MDOC_BINARY" = "false"],
2016       [AC_MSG_NOTICE([texi2mdoc binary not found (will not generate mdoc documentation)])
2017        texi2mdoc_msg="no (optional)"],
2018       [texi2mdoc_msg="yes"])
2019 # -- mandoc
2020 AS_IF([test "x$MANDOC_BINARY" = "false"],
2021       [AC_MSG_NOTICE([mandoc binary not found (will not generate handbook as man page)])
2022        mandoc_msg="no"],
2023       [mandoc_msg="yes"])
2024 # -- texinfo
2025 AS_IF([test "x$makeinfo" != "x1"],
2026       [texinfo_msg="no"],
2027       [texinfo_msg="yes"])
2028 # -- conversation
2029 AS_IF([test "x$conversation_backend" = "xnone"],
2030       [AS_IF([test "x$pulse" != "x1"],
2031              [AC_MSG_WARN([libpulse(audio) not found (required to build conversation).])
2032               libpulse_msg="no (required for conversation)"],
2033              [libpulse_msg="yes"])
2034        AS_IF([test "x$opus" != "x1"],
2035              [AC_MSG_WARN([libopus not found (required to build conversation)])
2036               libopus_msg="no (required for conversation)"],
2037              [libopus_msg="yes"])
2038        AS_IF([test "x$gst" != "x1"],
2039              [AC_MSG_WARN([GStreamer not found (required to build conversation).])
2040               gstreamer_msg="no (required for conversation)"],
2041              [gstreamer_msg="yes"])],
2042       [AS_IF([test "x$opus" = x1],
2043              [features_msg="$features_msg conversation"],
2044              [AC_MSG_WARN([libopus not found (required to build conversation)])])])
2045 # -- interface
2046 interface_msg=`echo $DEFAULT_INTERFACE | tr -d \"`
2047 # -- libmicrohttpd
2048 AS_IF([test "x$lmhd" != "x1"],
2049       [libmicrohttpd_msg="no (optional)"],
2050       [libmicrohttpd_msg="yes"])
2051 # -- jansson
2052 AS_IF([test "x$jansson" = "x0"],
2053       [jansson_msg="no (optional)"],
2054       [jansson_msg="yes"])
2055 # -- libextractor
2056 AS_IF([test "$extractor" != 1],
2057       [AC_MSG_WARN([libextractor not found, but various file-sharing functions require it])],
2058       [libextractor_msg="yes"])
2059 # -- libzbar
2060 AS_IF([test "x$zbar" = "x1"],
2061       [libzbar_msg="yes"
2062        features_msg="$features_msg gnunet-qr"],
2063       [AC_MSG_NOTICE([zbar not found, gnunet-qr will not be built.])
2064        libzbar_msg="no"])
2065 # -- libgnurl
2066 AS_IF([test "$gnurl" = "0"],
2067       [AS_IF([test "x$curl" = "xfalse"],
2068              [AC_MSG_WARN([libgnurl not found. http client support will not be compiled.])
2069               AC_MSG_WARN([IMPORTANT: No HTTP client library found. HTTP transports and hostlist daemon will not be compiled, and you probably WANT the hostlist daemon])
2070               curl_msg="no"],
2071              [AC_MSG_NOTICE([libgnurl not found, trying to use libcurl-gnutls instead.])
2072               curl_msg="yes"])],
2073        [gnurl_msg="yes"])
2074 # -- ifconfig
2075 AS_IF([test "$VAR_IFCONFIG_BINARY" = "false"],
2076       [AC_MSG_WARN([ifconfig not found, some features will not work])
2077        ifconfig_msg="no (optional)"],
2078       [ifconfig_msg="yes"])
2079 # -- upnpc
2080 AS_IF([test "$VAR_UPNPC_BINARY" = "false"],
2081       [AC_MSG_WARN([upnpc binary not found, NAT traversal using UPnPc will not work])
2082        upnpc_msg="no (optional)"],
2083       [upnpc_msg="yes"])
2084 # -- iptables
2085 AS_IF([test "$VAR_IPTABLES_BINARY" = "false"],
2086       [AC_MSG_WARN([iptables not found, DNS query interception will not work])
2087        iptables_msg="no (optional)"],
2088       [iptables_msg="yes"])
2089 # -- bluetooth
2090 AS_IF([test "x$bluetooth" = "x0"],
2091       [AC_MSG_NOTICE([bluetooth library not found, will not be able to use Bluetooth])
2092        bluetooth_msg="no (optional)"],
2093       [bluetooth_msg="yes"])
2094 # -- gnutls
2095 AS_IF([test x$gnutls != xtrue],
2096       [AC_MSG_WARN([GnuTLS not found, gnunet-gns-proxy will not be built])
2097        gnutls_msg="no"],
2098       [AS_IF([test "x$gnutls_dane" != "x1"],
2099              [AC_MSG_WARN([GnuTLS lacks DANE support, DANE validation will not be possible])
2100               gnutls_msg="yes (without DANE support)"],
2101              [gnutls_msg="yes (with DANE support)"])])
2102 # -- databases
2103 # TODO: this always returns true, the check might
2104 # TODO: not be working as intended (for msqlfail).
2105 AS_IF([test "$mysql" = true],
2106       [features_msg="$features_msg mysql"
2107        mysql_msg="yes"],
2108       [mysql_msg="no"])
2109 AS_IF([test x$mysqlfail = xtrue],
2110       [AC_MSG_WARN([MySQL not found (or too old), will not create MySQL database support])
2111        mysql_msg="unsupported version"])
2112 AS_IF([test "$sqlite" = true],
2113       [features_msg="$features_msg sqlite"
2114        sqlite_msg="yes"],
2115       [AC_MSG_ERROR([sqlite3 not found, but sqlite3 is required.])
2116        sqlite_msg="no"])
2117 AS_IF([test "$postgres" = true],
2118       [features_msg="$features_msg postgres"
2119        postgres_msg="yes"],
2120       [postgres_msg="no"])
2121 # -- features
2122 # ---- 1. replace spaces with newlines,
2123 # ---- 2. sort the lines,
2124 # ---- 3. replace the newlines with spaces.
2125 features_msg=`echo $features_msg | tr ' ' '\012' | sort | tr '\012' ' '`
2126 AC_SUBST(features_msg)
2127
2128
2129 # The summary
2130 # TODO: reduce the length of the last message block, following "IMPORTANT".
2131
2132 AC_MSG_NOTICE([
2133 GNUnet Configuration
2134 ====================
2135
2136 GNUnet version:                 ${VERSION}
2137
2138 Host setup:                     ${host}
2139 Install prefix:                 ${prefix}
2140 Compiler:                       ${CC}
2141 CFLAGS:                         ${CFLAGS}
2142 CPPFLAGS:                       ${CPPFLAGS}
2143 LDFLAGS:                        ${LDFLAGS}
2144 LIBS:                           ${LIBS}
2145 Build Target:                   $build_target
2146 Mac OSX framework build:        ${macosx_framework_msg}
2147
2148 Default Interface:              ${interface_msg}
2149
2150 MySQL:                          ${mysql_msg}
2151 PostgreSQL:                     ${postgres_msg}
2152 sqlite3:                        ${sqlite_msg}
2153 gnurl:                          ${gnurl_msg}
2154 curl:                           ${curl_msg}
2155 bluetooth:                      ${bluetooth_msg}
2156 jansson:                        ${jansson_msg}
2157 iptables:                       ${iptables_msg}
2158 ifconfig:                       ${ifconfig_msg}
2159 upnpc:                          ${upnpc_msg}
2160 gnutls:                         ${gnutls_msg}
2161 libzbar:                        ${libzbar_msg}
2162 java:                           ${java_msg}
2163 libmicrohttpd:                  ${libmicrohttpd_msg}
2164 libidn:                         ${libidn1_msg}${libidn2_msg}
2165 libopus:                        ${libopus_msg}
2166 gstreamer:                      ${gstreamer_msg}
2167 libpulse:                       ${libpulse_msg}
2168 libextractor:                   ${libextractor_msg}
2169 texi2mdoc:                      ${texi2mdoc_msg}
2170 mandoc:                         ${mandoc_msg}
2171
2172 texinfo manual:                 ${texinfo_msg}
2173 transpiled mdocml manual:       ${mdocml_msg}
2174
2175 features:                       ${features_msg}
2176 experimental:                   ${experimental_msg}
2177 ])
2178
2179 AS_IF([test x$MSG_USER_SETUP != xfalse],
2180  [AC_MSG_WARN([Please make sure NOW to create a user and group 'gnunet' and additionally a group 'gnunetdns'. Make sure that '/var/lib/gnunet' is owned (and writable) by user 'gnunet'.])
2181   AS_IF([test x$HAVE_GNUNET_USER != 0],
2182     [AC_MSG_NOTICE([To do this on this system, run:
2183 # addgroup gnunetdns
2184 # adduser --system --disabled-login --home /var/lib/gnunet gnunet
2185 ])])
2186   AC_MSG_WARN([Each user of GNUnet should be added to the 'gnunet' group.])
2187   AS_IF([test x$HAVE_GNUNET_USER != 0],
2188     [AC_MSG_NOTICE([To do this on this system, run:
2189 # adduser USERNAME gnunet
2190    for each of your users, replacing \"USERNAME\" with the respective login name. Users may have to login again for the changes to take effect.
2191 ])])])
2192
2193 AC_MSG_NOTICE([For detailed setup instructions, type 'info gnunet' after the installation or visit https://docs.gnunet.org/])